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Location: CSY/reowolf/src/macros.rs - annotation
fb814548c7d5
1.6 KiB
application/rls-services+xml
Add tcp component to standard library
75e767adaaf7 75e767adaaf7 e406c61b1158 e406c61b1158 e406c61b1158 e406c61b1158 e406c61b1158 e406c61b1158 e406c61b1158 e406c61b1158 e406c61b1158 75e767adaaf7 75e767adaaf7 75e767adaaf7 75e767adaaf7 75e767adaaf7 75e767adaaf7 75e767adaaf7 75e767adaaf7 75e767adaaf7 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 637115283740 c1b2442f23b2 | // Utility for performing debug printing within a particular module. Still
// requires some extra macros to be defined to be ergonomic.
macro_rules! enabled_debug_print {
(false, $name:literal, $format:literal) => {};
(false, $name:literal, $format:literal, $($args:expr),*) => {};
(true, $name:literal, $format:literal) => {
println!("[{}] {}", $name, $format)
};
(true, $name:literal, $format:literal, $($args:expr),*) => {
println!("[{}] {}", $name, format!($format, $($args),*))
};
}
// Utility for inserting code only executed in debug mode. Because writing the
// conditional cfg is tedious and looks ugly. Still doesn't work for struct
// fields, though.
macro_rules! dbg_code {
($code:stmt) => {
#[cfg(debug_assertions)] $code
}
}
// Given a function name, return type and variant, will generate the all-so
// common `union_value.as_variant()` method. The return value is the reference
// to the embedded union type.
macro_rules! union_cast_to_ref_method_impl {
($func_name:ident, $ret_type:ty, $variant:path) => {
fn $func_name(&self) -> &$ret_type {
match self {
$variant(content) => return content,
_ => unreachable!(),
}
}
}
}
// Another union cast, but now returning a copy of the value
macro_rules! union_cast_to_value_method_impl {
($func_name:ident, $ret_type:ty, $variant:path) => {
impl Value {
pub(crate) fn $func_name(&self) -> $ret_type {
match self {
$variant(v) => *v,
_ => unreachable!(),
}
}
}
}
}
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