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26 changes: 15 additions & 11 deletions src/Static.jl
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ module Static
import IfElse: ifelse

export StaticInt, StaticFloat64, StaticSymbol, True, False, StaticBool, NDIndex
export dynamic, is_static, known, static, static_promote
export dynamic, is_static, known, static, static_promote, static_!

"""
StaticSymbol
Expand Down Expand Up @@ -315,7 +315,6 @@ Base.inv(x::StaticNumber{N}) where {N} = one(x) / x
@inline Base.iseven(@nospecialize x::StaticNumber) = iseven(known(x))
@inline Base.isodd(@nospecialize x::StaticNumber) = isodd(known(x))


Base.AbstractFloat(x::StaticNumber) = StaticFloat64(x)

Base.abs(::StaticNumber{N}) where {N} = static(abs(N))
Expand Down Expand Up @@ -423,8 +422,13 @@ Base.xor(::StaticInteger{X}, ::StaticInteger{Y}) where {X, Y} = static(xor(X, Y)
Base.xor(::StaticInteger{X}, y::Union{Integer, Missing}) where {X} = xor(X, y)
Base.xor(x::Union{Integer, Missing}, ::StaticInteger{Y}) where {Y} = xor(x, Y)

Base.:(!)(::True) = False()
Base.:(!)(::False) = True()
# These are heavily invalidating, leading to major compile time increases downstream
#Base.:(!)(::True) = False()
#Base.:(!)(::False) = True()
# Instead, use the not invalidating form
static_!(x::Bool) = !x
static_!(::True) = False()
static_!(::False) = True()

Base.all(::Tuple{Vararg{True}}) = true
Base.all(::Tuple{Vararg{Union{True, False}}}) = false
Expand Down Expand Up @@ -745,47 +749,47 @@ end
"""
eq(x, y)

Equivalent to `!=` but if `x` and `y` are both static returns a `StaticBool.
Equivalent to `!=` but if `x` and `y` are both static returns a `StaticBool`.
"""
eq(x::X, y::Y) where {X, Y} = ifelse(is_static(X) & is_static(Y), static, identity)(x == y)
eq(x) = Base.Fix2(eq, x)

"""
ne(x, y)

Equivalent to `!=` but if `x` and `y` are both static returns a `StaticBool.
Equivalent to `!=` but if `x` and `y` are both static returns a `StaticBool`.
"""
ne(x::X, y::Y) where {X, Y} = !eq(x, y)
ne(x::X, y::Y) where {X, Y} = ifelse(is_static(X) & is_static(Y), static, identity)(x != y)
ne(x) = Base.Fix2(ne, x)

"""
gt(x, y)

Equivalent to `>` but if `x` and `y` are both static returns a `StaticBool.
Equivalent to `>` but if `x` and `y` are both static returns a `StaticBool`.
"""
gt(x::X, y::Y) where {X, Y} = ifelse(is_static(X) & is_static(Y), static, identity)(x > y)
gt(x) = Base.Fix2(gt, x)

"""
ge(x, y)

Equivalent to `>=` but if `x` and `y` are both static returns a `StaticBool.
Equivalent to `>=` but if `x` and `y` are both static returns a `StaticBool`.
"""
ge(x::X, y::Y) where {X, Y} = ifelse(is_static(X) & is_static(Y), static, identity)(x >= y)
ge(x) = Base.Fix2(ge, x)

"""
le(x, y)

Equivalent to `<=` but if `x` and `y` are both static returns a `StaticBool.
Equivalent to `<=` but if `x` and `y` are both static returns a `StaticBool`.
"""
le(x::X, y::Y) where {X, Y} = ifelse(is_static(X) & is_static(Y), static, identity)(x <= y)
le(x) = Base.Fix2(le, x)

"""
lt(x, y)

Equivalent to `<` but if `x` and `y` are both static returns a `StaticBool.
Equivalent to `<` but if `x` and `y` are both static returns a `StaticBool`.
"""
lt(x::X, y::Y) where {X, Y} = ifelse(is_static(X) & is_static(Y), static, identity)(x < y)
lt(x) = Base.Fix2(lt, x)
Expand Down
2 changes: 0 additions & 2 deletions test/runtests.jl
Original file line number Diff line number Diff line change
Expand Up @@ -117,8 +117,6 @@ end

@test @inferred(~t) === f
@test @inferred(~f) === t
@test @inferred(!t) === f
@test @inferred(!f) === t
@test @inferred(+t) === StaticInt(1)
@test @inferred(+f) === StaticInt(0)
@test @inferred(-t) === StaticInt(-1)
Expand Down