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[DOC] mention assignment expression values

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Nobuyoshi Nakada 2022-04-25 23:49:58 +09:00
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doc/syntax/assignment.rdoc
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@ -8,6 +8,9 @@ example assigns the number five to the local variable +v+:
Assignment creates a local variable if the variable was not previously
referenced.
An assignment expression result is always the assigned value, including
{assignment methods}[rdoc-ref:syntax/assignment.rdoc@Assignment+Methods].
== Local Variable Names
A local variable name must start with a lowercase US-ASCII letter or a
@ -342,6 +345,9 @@ This prints:
local_variables:
@value: 42
Note that the value returned by an assignment method is ignored whatever,
since an assignment expression result is always the assignment value.
== Abbreviated Assignment
You can mix several of the operators and assignment. To add 1 to an object