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#[macro_export]
macro_rules! ifelse {
($condition: expr, $_true: expr, $_false: expr) => {
if $condition {
$_true
} else {
$_false
}
};
}
#[macro_export]
macro_rules! rh_name {
() => {
env!("CARGO_PKG_NAME")
};
}
#[macro_export]
macro_rules! rh_version {
() => {
env!("CARGO_PKG_VERSION")
};
}
#[macro_export]
macro_rules! rh_homepage {
() => {
env!("CARGO_PKG_HOMEPAGE")
};
}
#[cfg(test)]
mod tests {
#[test]
fn ifelse() {
let res = ifelse![true, true, false];
assert_eq!(res, true);
let res = ifelse![false, true, false];
assert_eq!(res, false);
let val = true;
let res = ifelse![val, 1, 2];
assert_eq!(res, 1);
let val = false;
let res = ifelse![val, 1, 2];
assert_eq!(res, 2);
let val = 2;
let res = ifelse![val == 2, "yes", "no"];
assert_eq!(res, "yes");
let val = 3;
let res = ifelse![val == 2, "yes", "no"];
assert_eq!(res, "no");
}
#[test]
fn crate_name() {
assert_eq!(rh_name!(), "rh");
}
#[test]
fn rh_version() {
assert_eq!(rh_version!(), env!("CARGO_PKG_VERSION"));
}
#[test]
fn rh_homepage() {
assert_eq!(rh_homepage!(), env!("CARGO_PKG_HOMEPAGE"));
}
}