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support more functions in constructorof #89

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merged 2 commits into from
Jul 22, 2024
Merged

support more functions in constructorof #89

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184668c
support more functions in constructorof
aplavin Jul 22, 2024
2eb5551
bump version
aplavin Jul 22, 2024
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
name = "ConstructionBase"
uuid = "187b0558-2788-49d3-abe0-74a17ed4e7c9"
authors = ["Takafumi Arakaki", "Rafael Schouten", "Jan Weidner"]
version = "1.5.5"
version = "1.5.6"

[deps]
LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
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2 changes: 2 additions & 0 deletions src/functions.jl
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Expand Up @@ -6,6 +6,8 @@ struct FunctionConstructor{F} end
_isgensym(s::Symbol) = occursin("#", string(s))

@generated function (fc::FunctionConstructor{F})(args...) where F
isempty(args) && return Expr(:new, F)

T = getfield(parentmodule(F), nameof(F))
# We assume all gensym names are anonymous functions
_isgensym(nameof(F)) || return :($T(args...))
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6 changes: 5 additions & 1 deletion test/runtests.jl
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Expand Up @@ -246,7 +246,7 @@ end
end
end

@testset "Anonymous function constructors" begin
@testset "default function constructors" begin
function multiplyer(a, b)
x -> x * a * b
end
Expand All @@ -259,6 +259,10 @@ end
multbc = @inferred constructorof(typeof(mult23))("b", "c")
@inferred multbc("a")
@test multbc("a") == "abc"

@test (@inferred constructorof(typeof(sin))()) === sin
f = x -> x^2
@test (@inferred constructorof(typeof(f))()) === f
end

struct Adder{V} <: Function
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