// signed integer of the given size, err.Err = [ErrRange] and the
// returned value is the maximum magnitude integer of the
// appropriate bitSize and sign.
//
// [integer literals]: https://go.dev/ref/spec#Integer_literals
func ParseInt(s string, base int, bitSize int) (i int64, err error) {
	const fnParseInt = "ParseInt"

	if s == "" {
		return 0, syntaxError(fnParseInt, s)
	}

	// Pick off leading sign.
	s0 := s

into the token stream immediately after a line's final token if that token is
<ul>
	<li>an
	    <a href="#Identifiers">identifier</a>
	</li>

	<li>an
	    <a href="#Integer_literals">integer</a>,
	    <a href="#Floating-point_literals">floating-point</a>,
	    <a href="#Imaginary_literals">imaginary</a>,
	    <a href="#Rune_literals">rune</a>, or
	    <a href="#String_literals">string</a> literal

into the token stream immediately after a line's final token if that token is
<ul>
	<li>an
	    <a href="#Identifiers">identifier</a>
	</li>

	<li>an
	    <a href="#Integer_literals">integer</a>,
	    <a href="#Floating-point_literals">floating-point</a>,
	    <a href="#Imaginary_literals">imaginary</a>,
	    <a href="#Rune_literals">rune</a>, or
	    <a href="#String_literals">string</a> literal

import org.jetbrains.kotlin.lexer.KtTokens.DOT
import org.jetbrains.kotlin.lexer.KtTokens.EQ
import org.jetbrains.kotlin.lexer.KtTokens.IDENTIFIER
import org.jetbrains.kotlin.lexer.KtTokens.INTEGER_LITERAL
import org.jetbrains.kotlin.lexer.KtTokens.LBRACE
import org.jetbrains.kotlin.lexer.KtTokens.LPAR
import org.jetbrains.kotlin.lexer.KtTokens.MUL
import org.jetbrains.kotlin.lexer.KtTokens.OPEN_QUOTE

        assertSuccess(parser("0B0"))
        assertSuccess(parser("0b101010"))
        assertSuccess(parser("0b10101_0"))

        assertFailure(
            parser("bar"),
            "Expecting token of type INTEGER_LITERAL, but got IDENTIFIER ('bar') instead"
        )
    }

    @Test
    fun `can parse floating point numbers`() {
        val parser = combinator.floatLiteral

        assertSuccess(parser("0e0"))

    /**
     * Can parse regular integers, unsigned integers, longs, unsigned longs, and HEX and BINARY representations as well.
     */
    internal
    val integerLiteral =
        token(KtTokens.INTEGER_LITERAL)


    internal
    val floatLiteral =
        token(KtTokens.FLOAT_LITERAL)


    internal
    val characterLiteral =
        token(KtTokens.CHARACTER_LITERAL)


    internal