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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/core/map/to_string.wren
+6 -6
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@@ -19,10 +19,10 @@ System.print({1: Foo.new()}) // expect: {1: Foo.toString}
// will be.
var s = {1: 2, 3: 4, 5: 6}.toString
System.print(s == "{1: 2, 3: 4, 5: 6}" ||
s == "{1: 2, 5: 6, 3: 4}" ||
s == "{3: 4, 1: 2, 5: 6}" ||
s == "{3: 4, 5: 6, 1: 2}" ||
s == "{5: 6, 1: 2, 3: 4}" ||
s == "{5: 6, 3: 4, 1: 2}") // expect: true
s == "{1: 2, 5: 6, 3: 4}" ||
s == "{3: 4, 1: 2, 5: 6}" ||
s == "{3: 4, 5: 6, 1: 2}" ||
s == "{5: 6, 1: 2, 3: 4}" ||
s == "{5: 6, 3: 4, 1: 2}") // expect: true
// TODO: Handle maps that contain themselves.
// TODO: Handle maps that contain themselves.