Crate mac

mac

A collection of great and ubiqutitous macros.

Modules

cfg

Macros for conditional compilation.

format

Macros for string formatting.

inspect

Inspect Macros

matches

Pattern Matching macros.

mem

Macros for low-level memory manipulation.

syntax_ext

Macros useful when writing procedural syntax extensions.

test

Macros for writing test suites.

Macros

addrs_of

Make a tuple of the addresses of some of a struct’s fields.

do_while

Do-while loop.

ext_bail

Call span_err on an ExtCtxt and return DummyResult::any.

ext_bail_if

ext_bail! if the condition $e is true.

ext_expect

Unwrap the Option $e, or ext_bail!.

format_if

Conditionally perform string formatting.

if_cfg

Compile-time conditional expression.

inspect

Evaluates an expression, prints a stringified version of the expression along with the evaluated value, and then returns that value.

match_cfg

Compile-time matching on config variables.

matches

Returns true if an expression matches a pattern.

test_eq

Generate a test function $name which asserts that $left and $right are equal.

unwrap_or_return

Unwraps an Option or returns from the function with the specified return value.