Enum cfg_expr::expr::TargetPredicate [−][src]
pub enum TargetPredicate {
Arch(Arch),
Endian(Endian),
Env(Env),
Family(Family),
Os(Os),
PointerWidth(u8),
Vendor(Vendor),
}
Expand description
All predicates that pertains to a target, except for target_feature
Variants
Tuple Fields of Arch
0: Arch
Tuple Fields of Endian
0: Endian
Tuple Fields of Env
0: Env
target_family
This also applies to the bare unix
and windows
predicates.
Tuple Fields of Family
0: Family
Tuple Fields of Os
0: Os
Tuple Fields of PointerWidth
0: u8
Tuple Fields of Vendor
0: Vendor
Implementations
Returns true of the predicate matches the specified target
use cfg_expr::{targets::*, expr::TargetPredicate as tp};
let win = get_builtin_target_by_triple("x86_64-pc-windows-msvc").unwrap();
assert!(
tp::Arch(Arch::x86_64).matches(win) &&
tp::Endian(Endian::little).matches(win) &&
tp::Env(Env::msvc).matches(win) &&
tp::Family(Family::windows).matches(win) &&
tp::Os(Os::windows).matches(win) &&
tp::PointerWidth(64).matches(win) &&
tp::Vendor(Vendor::pc).matches(win)
);
Trait Implementations
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
This method tests for !=
.
Auto Trait Implementations
impl RefUnwindSafe for TargetPredicate
impl Send for TargetPredicate
impl Sync for TargetPredicate
impl Unpin for TargetPredicate
impl UnwindSafe for TargetPredicate
Blanket Implementations
Mutably borrows from an owned value. Read more