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Document bool cast semantics #34729

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porglezomp opened this issue Jul 9, 2016 · 2 comments
Closed

Document bool cast semantics #34729

porglezomp opened this issue Jul 9, 2016 · 2 comments
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A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools

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@porglezomp
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After a short debate on the IRC over whether true as i32 is guaranteed to be 1, and false as i32 is guaranteed to be 0, I think that the semantics section on casts should explicitly describe what a bool as integer_type cast does.
@sfackler sfackler added the A-docs label Jul 9, 2016
@est31
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est31 commented Jul 9, 2016

The reference indirectly documents the representation, but the machine types section would deserve documentation of the bool type as well.

@steveklabnik steveklabnik added the A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools label Mar 10, 2017
@steveklabnik steveklabnik mentioned this issue Mar 23, 2017
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@steveklabnik
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The reference lives in its own repo, so I have moved this there: rust-lang/reference#20 Thanks!

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@steveklabnik @sfackler @porglezomp @est31