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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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26
example/syntax.wren
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@ -61,19 +61,19 @@ class SyntaxExample {
print(a, b) { System.print(a + b) }
// Operators
+(other) { "infix + " + other }
-(other) { "infix - " + other }
*(other) { "infix * " + other }
/(other) { "infix / " + other }
%(other) { "infix % " + other }
<(other) { "infix < " + other }
>(other) { "infix > " + other }
<=(other) { "infix <= " + other }
>=(other) { "infix >= " + other }
==(other) { "infix == " + other }
!=(other) { "infix != " + other }
&(other) { "infix & " + other }
|(other) { "infix | " + other }
+(other) { "infix + %(other)" }
-(other) { "infix - %(other)" }
*(other) { "infix * %(other)" }
/(other) { "infix / %(other)" }
%(other) { "infix \% %(other)" }
<(other) { "infix < %(other)" }
>(other) { "infix > %(other)" }
<=(other) { "infix <= %(other)" }
>=(other) { "infix >= %(other)" }
==(other) { "infix == %(other)" }
!=(other) { "infix != %(other)" }
&(other) { "infix & %(other)" }
|(other) { "infix | %(other)" }
! { "prefix !" }
~ { "prefix ~" }