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(from https://github.com/golo-lang/golo-lang/issues/14) String interpolation is a nice feature found in modern languages, such as the following in Ruby: name = "world" str = "Hello #{name}!" ------ Daniel Petisme commented: Oups, Sorry for the duplication. I copyNpaste Let's interpole embeded expressions within a String. Here's a sample test //Given let answer = 42 let what = "answer" //When let sentence = "The ${what: toUpperCase()} is ${answer}" //Then require(sentence == "The ANSWER is 42") I think the variable interpolation is not that hard (IMHO) where an expresion could be tricky. Maybe we have to split this Specification in 2 (variable & expression) Regarding the syntax, I dunno care. $ is the historical variable prefix (shell) but any symbol suit fine (Eg. #). The brackets could be optionnal for variable but mandatory for expressions. ------ Guillaume Grossetie commented: I'm interested to work on this issue but I have no clue how ? I think I need to understand the JJT https://github.com/golo-lang/golo-lang/blob/master/src/main/jjtree/Golo.jjt ? And also in PHP : https://java.net/downloads/javacc/contrib/grammars/php.jj :wink:
