← Назад
from collections.dict import Dict, KeyElement
@value
struct StringKey(KeyElement):
var s: String
fn __init__(inout self, owned s: String):
self.s = s ^
fn __init__(inout self, s: StringLiteral):
self.s = String(s)
fn __hash__(self) -> Int:
return hash(self.s)
fn __eq__(self, other: Self) -> Bool:
return self.s == other.s
fn main() raises:
var d = Dict[StringKey, Int]()
d["cats"] = 1
d["dogs"] = 2
print(len(d)) # 2
print(d["cats"]) # 1
print(d.pop("dogs")) # 2
print(len(d)) # 1
← Назад