pub trait Builtin:
Callable
+ CallableClone
+ Format
+ DynCompare
+ Sync
+ Send {
// Provided methods
fn is_transparent(&self) -> bool { ... }
fn is_infix(&self) -> bool { ... }
fn kind(&self) -> SymKind { ... }
}
Performs copy-assignment from
source.
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Formats the value using the given formatter.
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Tests for self and other values to be equal, and is used by ==.
Tests for !=. The default implementation is almost always sufficient,
and should not be overridden without very good reason.