2 releases
0.6.1 | Jan 23, 2025 |
---|---|
0.6.0 | Jan 22, 2025 |
#3 in #foo
852 downloads per month
Used in 28 crates
(3 directly)
13KB
202 lines
cfg-elif
The rustfmt
-friendly conditional compilation like cfg-if
.
Features
- Conditional compilation at both expression and item positions
rustfmt
friendly
Examples
use cfg_elif::{expr, item};
item::cfg!(if (feature == "foo") {
type Foo = usize;
} else if (target_pointer_width != "64") {
type Foo = isize;
} else if ((target_family == "unix") && (feature == "bar")) {
type Foo = i32;
} else if ((feature == "baz") || (target_os == "freebsd")) {
type Foo = i64;
} else if (!(panic == "unwind")) {
type Foo = i128;
} else {
type Foo = f64;
});
assert_eq!(3.14 as Foo, 3.14);
assert_eq!(
expr::cfg!(if (feature == "foo") {
0
} else if (target_pointer_width != "64") {
1
} else if ((target_family == "unix") && (feature == "bar")) {
2
} else if ((feature == "baz") || (target_os == "freebsd")) {
3
} else if (!(panic == "unwind")) {
4
} else {
42
}),
42
);