Crate mac [−] [src]

mac

A collection of great and ubiqutitous macros.

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.

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.