string

what is

1. a read-only slice of bytes;

   1. a strings can hold arbitrary byte sequence, even they are not always valid UFT-8 byte sequence for: const sample = "\xbd\xb2\x3d\xbc\x20\xe2\x8c\x98" will print mess; ��=� ⌘

   2. A string literal, absent byte-level escapes, always holds valid UTF-8 sequences.

java use uft-16

internal implement

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type StringHeader struct {
        Data uintptr
        Len  int
}

back quote vs double quote

1. back quote: will not escape characters

2. double quote: will escape characters

escape

an character is a character that invokes an alternative interpretation on subsequent characters in a character sequence

Value Description \a Alert or bell \b Backspace \ Backslash \t Horizontal tab \n Line feed or newline \f Form feed \r Carriage return \v Vertical tab ' Single quote (only in rune literals) " Double quote (only in string literals)