doesn't check for validity of token strings.
assert(isStringLiteral(`"hello"`)); assert(isStringLiteral(`"hello world!"`)); assert(isStringLiteral(`r"hello world!"c`)); assert(isStringLiteral(`r"hello world!"d`)); assert(isStringLiteral(`q{cool}`)); assert(isStringLiteral(`q{cool\}`)); assert(isStringLiteral(`"\\"`)); assert(!isStringLiteral(`"\\\"`)); assert(isStringLiteral(`"\\\\"`)); assert(isStringLiteral(`"a\\\\"`)); assert(isStringLiteral(`""`)); assert(isStringLiteral(`q""`)); assert(isStringLiteral(`x""`)); assert(!isStringLiteral(``)); assert(!isStringLiteral(`"`)); assert(!isStringLiteral(`w""`)); assert(!isStringLiteral(`hello"`)); assert(!isStringLiteral(`"hello`)); assert(!isStringLiteral(`"hello world`)); assert(!isStringLiteral(`hello world`)); assert(!isStringLiteral(`r"`)); assert(!isStringLiteral(`rr"ok"`)); assert(!isStringLiteral(`x"`)); assert(!isStringLiteral(`x" `)); assert(!isStringLiteral(`qqqq`));
Checks if a string literal input has correct start/end sequences (quotes) to be any kind of D string literal.