extend the API for LazyString a bit (#44581)

JuliaLang · Mar 12, 2022 · e6c1525 · e6c1525
1 parent 2cba553
commit e6c1525
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diff --git a/base/strings/lazy.jl b/base/strings/lazy.jl
@@ -61,3 +61,6 @@ iterate(s::LazyString, i::Integer) = iterate(String(s), i)
 isequal(a::LazyString, b::LazyString) = isequal(String(a), String(b))
 ==(a::LazyString, b::LazyString) = (String(a) == String(b))
 ncodeunits(s::LazyString) = ncodeunits(String(s))
+codeunit(s::LazyString) = codeunit(String(s))
+codeunit(s::LazyString, i::Integer) = codeunit(String(s), i)
+isvalid(s::LazyString, i::Integer) = isvalid(String(s), i)
diff --git a/test/strings/basic.jl b/test/strings/basic.jl
@@ -1100,4 +1100,8 @@ end
     let d = Dict(lazy"$(1+2) is 3" => 3)
         @test d["3 is 3"] == 3
     end
+    l = lazy"1+2"
+    @test codeunit(l) == UInt8
+    @test codeunit(l,2) == 0x2b
+    @test isvalid(l, 1)
 end