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Update prelude.er

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This commit is contained in:
Shunsuke Shibayama 2022-09-12 13:52:52 +09:00
parent 0704ee34d0
commit ac5c93d89b
1 changed files with 40 additions and 32 deletions
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72
library/std/prelude.er
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@ -1,51 +1,57 @@
@Attach NeImpl
Eq(R |= Self) = Trait {
.`==` = Self.(R) -> Bool
.`==` = (self: Self, R) -> Bool
}
NeImpl R = Patch Eq R
NeImpl(R).`!=`(self, other: R): Bool = not(self == other)
NeImpl(R).
`!=`(self, other: R): Bool = not(self == other)
@Attach EqImpl, LeImpl, LtImpl, GeImpl, GtImpl
PartialOrd(R |= Self) = Trait {
.cmp = Self.(R) -> Option Ordering
PartialOrd(R := Self) = Trait {
.cmp = (self: Self, R) -> Option Ordering
}
Ord = Subsume PartialOrd()
EqForOrd R = Patch Ord, Impl: Eq()
EqForOrd(R).`==`(self, other: R): Bool = self.cmp(other) == Ordering.Equal
EqForOrd R = Patch Ord, Impl := Eq()
EqForOrd(R).
`==`(self, other: R): Bool = self.cmp(other) == Ordering.Equal
LeForOrd = Patch Ord
LeForOrd.`<=`(self, other: Self): Bool = self.cmp(other) == Ordering.Less or self == other
LeForOrd.
`<=`(self, other: Self): Bool = self.cmp(other) == Ordering.Less or self == other
LtForOrd = Patch Ord
LtForOrd.`<`(self, other: Self): Bool = self.cmp(other) == Ordering.Less
LtForOrd.
`<`(self, other: Self): Bool = self.cmp(other) == Ordering.Less
GeForOrd = Patch Ord
GeForOrd.`>=`(self, other: Self): Bool = self.cmp(other) == Ordering.Greater or self == other
GeForOrd.
`>=`(self, other: Self): Bool = self.cmp(other) == Ordering.Greater or self == other
GtForOrd = Patch Ord
GtForOrd.`>`(self, other: Self): Bool = self.cmp(other) == Ordering.Greater
GtForOrd.
`>`(self, other: Self): Bool = self.cmp(other) == Ordering.Greater
Add(R |= Self) = Trait {
.AddO = Type
.`_+_` = Self.(R) -> Self.AddO
Add(R := Self) = Trait {
.Output = Type
.`_+_` = (self: Self, R) -> Self.Output
}
Sub(R |= Self) = Trait {
.SubO = Type
.`_-_` = Self.(R) -> Self.SubO
Sub(R := Self) = Trait {
.Output = Type
.`_-_` = (self: Self, R) -> Self.Output
}
Mul(R |= Self()) = Trait {
.MulO = Type
.`*` = Self.(R) -> Self.MulO
Mul(R := Self()) = Trait {
.Output = Type
.`*` = (self: Self, R) -> Self.Output
}
Div(R |= Self) = Trait {
.DivO = Type
.`/` = Self.(R) -> Self.DivO or Panic
Div(R := Self) = Trait {
.Output = Type
.`/` = (self: Self, R) -> Self.Output or Panic
}
Num: (R |= Type) -> Type
Num = Add and Sub and Mul
Seq T = Trait {
.__len__ = Ref(Self).() -> Nat
.get = Ref(Self).(Nat) -> T
.__len__ = (self: Ref(Self)) -> Nat
.get = (self: Ref(Self), Nat) -> T
}
`_+_`: |R: Type, A <: Add(R)| (A, R) -> A.AddO
@ -53,22 +59,24 @@ Seq T = Trait {
`*`: |R, O: Type, M <: Add(R)| (M, R) -> M.MulO
`/`: |R, O: Type, D <: Add(R)| (D, R) -> D.DivO
AddForInt = Patch Int, Impl: Add()
AddForInt = Patch Int, Impl := Add()
AddForInt.AddO = Int
AddForInt.`_+_`: (self: Self).(other: Int) -> Int
AddForInt.
`_+_`: (self: Self, other: Int) -> Int = magic("Add.`_+_`")
# TODO: Mul and Div
NumForInterval M, N, O, P: Int =
Patch M..N, Impl: Add(R: O..P) and Sub(R: O..P)
NumForInterval(M, N, O, P).`_+_`: (self: Self, other: O..P) -> M+O..N+P
NumForInterval(M, N, O, P).`_-_`: (self: Self, other: O..P) -> M-P..N-O
Patch M..N, Impl := Add(R := O..P) and Sub(R := O..P)
NumForInterval(M, N, O, P).
`_+_`: (self: Self, other: O..P) -> M+O..N+P = magic("NumForInterval.`_+_`")
`_-_`: (self: Self, other: O..P) -> M-P..N-O = magic("NumForInterval.`_-_`")
Read = Trait {
.read = Ref(Self).() -> Str
.read = (self: Ref(Self)) -> Str
}
Read! = Trait {
.read! = Ref!(Self).() => Str
.read! = (self: Ref!(Self)) => Str
}
Write! = Trait {
.write! = Ref!(Self).(Str) => ()
.write! = (self: Ref!(Self), Str) => ()
}