Enhanced RDoc for Integer (#5118)
Treats: #allbits? #anybits? #nobits? #succ #pred #chr` #to_s #+ #-
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Burdette Lamar
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2021-11-16 04:52:43 +09:00
Merged-By: BurdetteLamar <BurdetteLamar@Yahoo.com>
208
numeric.c
208
numeric.c
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@ -3338,9 +3338,25 @@ rb_int_even_p(VALUE num)
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/*
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* call-seq:
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* int.allbits?(mask) -> true or false
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* allbits?(mask) -> true or false
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*
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* Returns +true+ if all bits that are set (=1) in +mask+
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* are also set in +self+; returns +false+ otherwise.
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*
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* Example values:
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*
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* 0b1010101 self
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* 0b1010100 mask
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* 0b1010100 self & mask
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* true self.allbits?(mask)
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*
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* 0b1010100 self
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* 0b1010101 mask
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* 0b1010100 self & mask
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* false self.allbits?(mask)
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*
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* Related: Integer#anybits?, Integer#nobits?.
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*
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* Returns +true+ if all bits of <code>+int+ & +mask+</code> are 1.
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*/
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static VALUE
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@ -3352,9 +3368,25 @@ int_allbits_p(VALUE num, VALUE mask)
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/*
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* call-seq:
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* int.anybits?(mask) -> true or false
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* anybits?(mask) -> true or false
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*
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* Returns +true+ if any bit that is set (=1) in +mask+
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* is also set in +self+; returns +false+ otherwise.
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*
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* Example values:
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*
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* 0b10000010 self
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* 0b11111111 mask
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* 0b10000010 self & mask
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* true self.anybits?(mask)
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*
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* 0b00000000 self
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* 0b11111111 mask
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* 0b00000000 self & mask
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* false self.anybits?(mask)
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*
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* Related: Integer#allbits?, Integer#nobits?.
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*
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* Returns +true+ if any bits of <code>+int+ & +mask+</code> are 1.
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*/
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static VALUE
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@ -3366,9 +3398,25 @@ int_anybits_p(VALUE num, VALUE mask)
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/*
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* call-seq:
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* int.nobits?(mask) -> true or false
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* nobits?(mask) -> true or false
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*
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* Returns +true+ if no bit that is set (=1) in +mask+
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* is also set in +self+; returns +false+ otherwise.
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*
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* Example values:
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*
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* 0b11110000 self
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* 0b00001111 mask
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* 0b00000000 self & mask
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* true self.nobits?(mask)
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*
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* 0b00000001 self
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* 0b11111111 mask
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* 0b00000001 self & mask
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* false self.nobits?(mask)
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*
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* Related: Integer#allbits?, Integer#anybits?.
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*
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* Returns +true+ if no bits of <code>+int+ & +mask+</code> are 1.
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*/
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static VALUE
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@ -3379,19 +3427,17 @@ int_nobits_p(VALUE num, VALUE mask)
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}
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/*
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* Document-method: Integer#succ
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* Document-method: Integer#next
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* call-seq:
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* int.next -> integer
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* int.succ -> integer
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* succ -> next_integer
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*
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* Returns the successor of +int+,
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* i.e. the Integer equal to <code>int+1</code>.
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* Returns the successor integer of +self+ (equivalent to <tt>self + 1</tt>):
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*
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* 1.next #=> 2
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* (-1).next #=> 0
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* 1.succ #=> 2
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* (-1).succ #=> 0
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* 1.succ #=> 2
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* -1.succ #=> 0
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*
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* Integer#next is an alias for Integer#succ.
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*
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* Related: Integer#pred (predecessor value).
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*/
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VALUE
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@ -3411,13 +3457,15 @@ rb_int_succ(VALUE num)
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/*
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* call-seq:
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* int.pred -> integer
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* pred -> next_integer
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*
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* Returns the predecessor of +int+,
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* i.e. the Integer equal to <code>int-1</code>.
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* Returns the predecessor of +self+ (equivalent to <tt>self - 1</tt>):
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*
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* 1.pred #=> 0
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* -1.pred #=> -2
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*
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* Related: Integer#succ (successor value).
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*
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* 1.pred #=> 0
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* (-1).pred #=> -2
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*/
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static VALUE
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@ -3435,19 +3483,6 @@ rb_int_pred(VALUE num)
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#define int_pred rb_int_pred
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/*
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* Document-method: Integer#chr
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* call-seq:
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* int.chr([encoding]) -> string
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*
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* Returns a string containing the character represented by the +int+'s value
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* according to +encoding+.
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*
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* 65.chr #=> "A"
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* 230.chr #=> "\xE6"
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* 255.chr(Encoding::UTF_8) #=> "\u00FF"
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*/
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VALUE
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rb_enc_uint_chr(unsigned int code, rb_encoding *enc)
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{
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@ -3470,6 +3505,25 @@ rb_enc_uint_chr(unsigned int code, rb_encoding *enc)
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return str;
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}
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/* call-seq:
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* chr -> string
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* chr(encoding) -> string
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*
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* Returns a 1-character string containing the character
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* represented by the value of +self+, according to the given +encoding+.
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*
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* 65.chr # => "A"
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* 0..chr # => "\x00"
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* 255.chr # => "\xFF"
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* string = 255.chr(Encoding::UTF_8)
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* string.encoding # => Encoding::UTF_8
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*
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* Raises an exception if +self+ is negative.
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*
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* Related: Integer#ord.
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*
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*/
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static VALUE
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int_chr(int argc, VALUE *argv, VALUE num)
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{
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@ -3535,23 +3589,6 @@ rb_int_uminus(VALUE num)
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}
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}
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/*
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* Document-method: Integer#to_s
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* call-seq:
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* int.to_s(base=10) -> string
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*
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* Returns a string containing the place-value representation of +int+
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* with radix +base+ (between 2 and 36).
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*
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* 12345.to_s #=> "12345"
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* 12345.to_s(2) #=> "11000000111001"
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* 12345.to_s(8) #=> "30071"
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* 12345.to_s(10) #=> "12345"
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* 12345.to_s(16) #=> "3039"
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* 12345.to_s(36) #=> "9ix"
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* 78546939656932.to_s(36) #=> "rubyrules"
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*/
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VALUE
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rb_fix2str(VALUE x, int base)
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{
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@ -3594,6 +3631,27 @@ rb_fix2str(VALUE x, int base)
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return rb_usascii_str_new(b, e - b);
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}
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/*
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* call-seq:
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* to_s(base = 10) -> string
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*
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* Returns a string containing the place-value representation of +self+
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* in radix +base+ (in 2..36).
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*
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* 12345.to_s # => "12345"
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* 12345.to_s(2) # => "11000000111001"
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* 12345.to_s(8) # => "30071"
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* 12345.to_s(10) # => "12345"
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* 12345.to_s(16) # => "3039"
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* 12345.to_s(36) # => "9ix"
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* 78546939656932.to_s(36) # => "rubyrules"
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*
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* Raises an exception if +base+ is out of range.
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*
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* Integer#inspect is an alias for Integer#to_s.
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*
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*/
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static VALUE
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int_to_s(int argc, VALUE *argv, VALUE x)
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{
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@ -3619,15 +3677,6 @@ rb_int2str(VALUE x, int base)
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return rb_any_to_s(x);
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}
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/*
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* Document-method: Integer#+
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* call-seq:
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* int + numeric -> numeric_result
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*
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* Performs addition: the class of the resulting object depends on
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* the class of +numeric+.
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*/
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static VALUE
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fix_plus(VALUE x, VALUE y)
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{
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@ -3654,6 +3703,21 @@ rb_fix_plus(VALUE x, VALUE y)
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return fix_plus(x, y);
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}
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/*
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* call-seq:
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* self + numeric -> numeric
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*
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* Performs addition:
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*
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* 2 + 2 # => 4
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* -2 + 2 # => 0
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* -2 + -2 # => -4
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* 2 + 2.0 # => 4.0
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* 2 + Rational(2, 1) # => (4/1)
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* 2 + Complex(2, 0) # => (4+0i)
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*
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*/
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VALUE
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rb_int_plus(VALUE x, VALUE y)
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{
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@ -3666,15 +3730,6 @@ rb_int_plus(VALUE x, VALUE y)
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return rb_num_coerce_bin(x, y, '+');
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}
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/*
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* Document-method: Integer#-
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* call-seq:
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* int - numeric -> numeric_result
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*
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* Performs subtraction: the class of the resulting object depends on
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* the class of +numeric+.
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*/
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static VALUE
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fix_minus(VALUE x, VALUE y)
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{
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@ -3693,6 +3748,21 @@ fix_minus(VALUE x, VALUE y)
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}
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}
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/*
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* call-seq:
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* int - numeric -> numeric
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*
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* Performs subtraction:
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*
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* 4 - 2 # => 2
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* -4 - 2 # => -6
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* -4 - -2 # => -2
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* 4 - 2.0 # => 2.0
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* 4 - Rational(2, 1) # => (2/1)
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* 4 - Complex(2, 0) # => (2+0i)
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*
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*/
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VALUE
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rb_int_minus(VALUE x, VALUE y)
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{
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@ -306,4 +306,5 @@ class Float
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Primitive.attr! 'inline'
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Primitive.cexpr! 'RBOOL(RFLOAT_VALUE(self) < 0.0)'
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end
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end
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