Mojo struct
DictKeyError
struct DictKeyError[mut: Bool, //, K: KeyElement, origin: Origin[mut=mut]]
A custom error type for Dict lookups that fail.
Parameters
- mut (
Bool): The mutability of the key. - K (
KeyElement): The key type of the elements in the dictionary. - origin (
Origin): The origin of the key.
Implemented traits
AnyType,
Copyable,
ImplicitlyCopyable,
ImplicitlyDestructible,
Movable,
Writable
comptime members
__copyinit__is_trivial
comptime __copyinit__is_trivial = True
__del__is_trivial
comptime __del__is_trivial = True
__moveinit__is_trivial
comptime __moveinit__is_trivial = True
Methods
key
key(self) -> ref [origin] K
Return the key that caused the error.
Returns:
ref: A reference to the key that caused the error.
write_to
write_to(self, mut writer: T)
Write the error and the key to the writer.
Args:
- writer (
T): The writer to write to.
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