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Simple string interpolation.

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This allows "%(...)" inside a string literal to interpolate the
stringified result of an expression.

It doesn't support custom interpolators or format strings, but we can
consider extending that later.
This commit is contained in:
Bob Nystrom
2015-11-11 07:55:48 -08:00
parent 71575d9179
commit 78655c68b0
41 changed files with 321 additions and 129 deletions
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test/benchmark/string_equals.wren
+2 -2
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@@ -10,7 +10,7 @@ for (i in 1..1000000) {
if ("" == "abc") count = count + 1
if ("abc" == "abcd") count = count + 1
if ("changed one character" == "changed %ne character") count = count + 1
if ("changed one character" == "changed !ne character") count = count + 1
if ("123" == 123) count = count + 1
if ("a slightly longer string" ==
"a slightly longer string!") count = count + 1
@@ -21,4 +21,4 @@ for (i in 1..1000000) {
}
System.print(count)
System.print("elapsed: " + (System.clock - start).toString)
System.print("elapsed: %(System.clock - start)")