add IteratorSize for Char (JuliaLang#29819)

tkf · Nov 21, 2018 · 1b884e7 · 1b884e7
1 parent 6a439ba
commit 1b884e7
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diff --git a/base/char.jl b/base/char.jl
@@ -187,6 +187,7 @@ size(c::AbstractChar,d) = convert(Int, d) < 1 ? throw(BoundsError()) : 1
 ndims(c::AbstractChar) = 0
 ndims(::Type{<:AbstractChar}) = 0
 length(c::AbstractChar) = 1
+IteratorSize(::Type{Char}) = HasShape{0}()
 firstindex(c::AbstractChar) = 1
 lastindex(c::AbstractChar) = 1
 getindex(c::AbstractChar) = c

diff --git a/test/char.jl b/test/char.jl
@@ -286,3 +286,7 @@ end
         @test reinterpret(UInt32, reinterpret(Char, u)) === u
     end
 end
+
+@testset "broadcasting of Char" begin
+    @test identity.('a') == 'a'
+end