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Add Char * String and Char * Char #22532

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Jul 11, 2017
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9 changes: 5 additions & 4 deletions base/strings/basic.jl
Original file line number Diff line number Diff line change
Expand Up @@ -56,15 +56,16 @@ sizeof(s::AbstractString) = error("type $(typeof(s)) has no canonical binary rep
eltype(::Type{<:AbstractString}) = Char

"""
```
*(s::AbstractString, t::AbstractString)
```
*(s::Union{Char, AbstractString}, t::Union{Char, AbstractString})
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... on the second input


Concatenate strings. The `*` operator is an alias to this function.
Concatenate strings and characters. The `*` operator is an alias to this function.
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"[...] and characters to a [`String`](@ref)." perhaps?

Also, this is the * function, its an alias for itself!?

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I would make it like this:

"""
    *(s::Union{AbstractString, Char}, t::Union{AbstractString, Char})

Concatenate strings and/or characters, producing a [`String`](@ref). This is equivalent
to calling the [`string`](@ref) function on the arguments.
"""


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delete the blank line

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I thought we had been putting lines between the headers and contents in docstring?

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Ah, I guess not.

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recently moving towards getting rid of them everywhere

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K, thanks for the heads up

```jldoctest
julia> "Hello " * "world"
"Hello world"

julia> 'j' * "ulia"
"julia"
```
"""
(*)(s1::Union{Char, AbstractString}, ss::Union{Char, AbstractString}...) = string(s1, ss...)
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Aside from some of the linalg code, typically there isn't a space after the comma in Union. Probably best to keep consistency within this file and alike.

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