Add pairs method for replace

JuliaLang · Jan 3, 2018 · e450796 · e450796
1 parent f7e65c7
commit e450796
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diff --git a/README.md b/README.md
@@ -219,6 +219,9 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * `Some{T}` wraps `T` to signify that a result of `T<:Void` is expected ([#23642]).
 
+* `replace` accepts a pair of pattern and replacement, with the number of replacements as
+  a keyword argument ([#25165]).
+
 ## Renaming
 
 
@@ -423,4 +426,5 @@ includes this fix. Find the minimum version from there.
 [#25057]: https://github.com/JuliaLang/julia/issues/25057
 [#25102]: https://github.com/JuliaLang/julia/issues/25102
 [#25162]: https://github.com/JuliaLang/julia/issues/25162
+[#25165]: https://github.com/JuliaLang/julia/issues/25165
 [#25168]: https://github.com/JuliaLang/julia/issues/25168
diff --git a/src/Compat.jl b/src/Compat.jl
@@ -1058,6 +1058,11 @@ end
     export invpermute!
 end
 
+@static if VERSION < v"0.7.0-DEV.3172"
+    Base.replace(s::AbstractString, pat_rep::Pair; count::Integer=typemax(Int)) =
+        replace(s, first(pat_rep), last(pat_rep), count)
+end
+
 include("deprecated.jl")
 
 end # module Compat
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -1066,6 +1066,10 @@ end
 # 0.7.0-DEV.3173
 @test invpermute!(permute!([1, 2], 2:-1:1), 2:-1:1) == [1, 2]
 
+# 0.7.0-DEV.3172
+@test replace("abcb", "b"=>"c") == "accc"
+@test replace("abcb", "b"=>"c", count=1) == "accb"
+
 if VERSION < v"0.6.0"
     include("deprecated.jl")
 end