| 1 | Expression Language and Assignments
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| 2 |
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| 3 | [Assignment] assign =
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| 4 | aug-assign += -= *= /= **= //= %=
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| 5 | &= |= ^= <<= >>=
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| 6 | [Literals] atom-literal null true false
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| 7 | int-literal 42 65_536 0xFF 0o755 0b10
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| 8 | float-literal 3.14 1.5e-10
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| 9 | X num-suffix 42 K Ki M Mi G Gi T Ti / ms us
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| 10 | char-literal \\ \t \" \y00 \u{3bc}
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| 11 | ysh-string "x is $x" $"x is $x" r'[a-z]\n'
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| 12 | u'line\n' b'byte \yff'
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| 13 | triple-quoted """ $""" r''' u''' b'''
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| 14 | list-literal ['one', 'two', 3] :| unquoted words |
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| 15 | dict-literal {name: 'bob'} {a, b}
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| 16 | range 1 ..< n 1 ..= n
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| 17 | block-expr ^(echo $PWD)
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| 18 | expr-literal ^[1 + 2*3]
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| 19 | str-template ^"$a and $b" for Str.replace()
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| 20 | X expr-sub $[myobj]
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| 21 | X expr-splice @[myobj]
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| 22 | [Operators] op-precedence Like Python
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| 23 | concat s1 ++ s2, L1 ++ L2
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| 24 | ysh-equals === !== ~== is, is not
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| 25 | ysh-in in, not in
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| 26 | ysh-compare < <= > >= (numbers only)
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| 27 | ysh-logical not and or
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| 28 | ysh-arith + - * / // % **
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| 29 | ysh-bitwise ~ & | ^ << >>
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| 30 | ysh-ternary '+' if x >= 0 else '-'
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| 31 | ysh-index s[0] mylist[3] mydict['key']
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| 32 | ysh-attr mydict.key mystr.startsWith('x')
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| 33 | ysh-slice a[1:-1] s[1:-1]
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| 34 | ysh-func-call f(x, y, ...pos; n=1, ...named)
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| 35 | thin-arrow mylist->pop()
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| 36 | fat-arrow mylist => join() => upper()
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| 37 | match-ops ~ !~ ~~ !~~
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| 38 | [Eggex] re-literal / d+ ; re-flags ; ERE /
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| 39 | re-primitive %zero 'sq'
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| 40 | class-literal [c a-z 'abc' @str_var \\ \xFF \u{3bc}]
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| 41 | named-class dot digit space word d s w
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| 42 | re-repeat d? d* d+ d{3} d{2,4}
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| 43 | re-compound seq1 seq2 alt1|alt2 (expr1 expr2)
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| 44 | re-capture <capture d+ as name: int>
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| 45 | re-splice Subpattern @subpattern
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| 46 | re-flags reg_icase reg_newline
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| 47 | X re-multiline ///
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