in src/langs/swift/combinator.js [434:444]
resolveFuncParams(params) {
if (!params || !params.length) {
return '';
}
let tmp = [];
params.forEach(param => {
tmp.push(`_ ${this.resolveName(param.key)}: ${this.emitType(param.type)}${param.isOptional ? '?' : ''}`);
this.addStatement(this.resolveName(param.key), param.type);
});
return tmp.join(', ');
}