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additional util macros and reorg

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk 2025-01-20 04:42:01 +00:00
parent 4fbbfe5d30
commit 3eed408b29
1 changed files with 52 additions and 33 deletions
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85
src/core/utils/mod.rs
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@ -57,6 +57,14 @@ macro_rules! extract_variant {
}; };
} }
/// Functor for !is_empty()
#[macro_export]
macro_rules! is_not_empty {
() => {
|x| !x.is_empty()
};
}
#[macro_export] #[macro_export]
macro_rules! apply { macro_rules! apply {
(1, $($idx:tt)+) => { (1, $($idx:tt)+) => {
@ -76,24 +84,35 @@ macro_rules! apply {
}; };
} }
/// Functor for truthy
#[macro_export] #[macro_export]
macro_rules! at { macro_rules! is_true {
($idx:tt) => { () => {
|t| t.$idx |x| !!x
}; };
} }
/// Functor for falsy
#[macro_export] #[macro_export]
macro_rules! ref_at { macro_rules! is_false {
($idx:tt) => { () => {
|ref t| &t.$idx |x| !x
}; };
} }
/// Functor for equality to non-zero
#[macro_export] #[macro_export]
macro_rules! deref_at { macro_rules! is_nonzero {
($idx:tt) => { () => {
|t| *t.$idx |x| x != 0
};
}
/// Functor for equality to zero
#[macro_export]
macro_rules! is_zero {
() => {
$crate::is_matching!(0)
}; };
} }
@ -121,14 +140,6 @@ macro_rules! is_less_than {
}; };
} }
/// Functor for equality to zero
#[macro_export]
macro_rules! is_zero {
() => {
$crate::is_matching!(0)
};
}
/// Functor for matches! i.e. .is_some_and(is_matching!('A'..='Z')) /// Functor for matches! i.e. .is_some_and(is_matching!('A'..='Z'))
#[macro_export] #[macro_export]
macro_rules! is_matching { macro_rules! is_matching {
@ -141,14 +152,6 @@ macro_rules! is_matching {
}; };
} }
/// Functor for !is_empty()
#[macro_export]
macro_rules! is_not_empty {
() => {
|x| !x.is_empty()
};
}
/// Functor for equality i.e. (a, b).map(is_equal!()) /// Functor for equality i.e. (a, b).map(is_equal!())
#[macro_export] #[macro_export]
macro_rules! is_equal { macro_rules! is_equal {
@ -157,18 +160,34 @@ macro_rules! is_equal {
}; };
} }
/// Functor for truthy /// Functor for |x| *x.$i
#[macro_export] #[macro_export]
macro_rules! is_true { macro_rules! deref_at {
() => { ($idx:tt) => {
|x| !!x |t| *t.$idx
}; };
} }
/// Functor for falsy /// Functor for |ref x| x.$i
#[macro_export] #[macro_export]
macro_rules! is_false { macro_rules! ref_at {
() => { ($idx:tt) => {
|x| !x |ref t| &t.$idx
};
}
/// Functor for |&x| x.$i
#[macro_export]
macro_rules! val_at {
($idx:tt) => {
|&t| t.$idx
};
}
/// Functor for |x| x.$i
#[macro_export]
macro_rules! at {
($idx:tt) => {
|t| t.$idx
}; };
} }