| 1 | #### bool() conversion
|
| 2 | echo "$[bool(1234)]"
|
| 3 | echo "$[bool(0)]"
|
| 4 | echo "$[bool('foo')]"
|
| 5 | echo "$[bool(true)]"
|
| 6 | echo "$[bool(1.234)]"
|
| 7 | echo "$[bool([])]"
|
| 8 | echo "$[bool({})]"
|
| 9 | echo "$[bool(null)]"
|
| 10 | echo "$[bool(len)]"
|
| 11 | echo "$[bool('foo'=>startsWith)]"
|
| 12 | echo "$[bool(1..3)]"
|
| 13 | ## STDOUT:
|
| 14 | true
|
| 15 | false
|
| 16 | true
|
| 17 | true
|
| 18 | true
|
| 19 | false
|
| 20 | false
|
| 21 | false
|
| 22 | true
|
| 23 | true
|
| 24 | true
|
| 25 | ## END
|
| 26 |
|
| 27 | #### bool() more
|
| 28 | var a = bool( :|| )
|
| 29 | var b = bool( :|foo| )
|
| 30 | write $a $b
|
| 31 | ## STDOUT:
|
| 32 | false
|
| 33 | true
|
| 34 | ## END
|
| 35 |
|
| 36 |
|
| 37 | #### int() conversion
|
| 38 | echo "$[int(1234)]"
|
| 39 | echo "$[int('1234')]"
|
| 40 | echo "$[int(1.234)]"
|
| 41 | ## STDOUT:
|
| 42 | 1234
|
| 43 | 1234
|
| 44 | 1
|
| 45 | ## END
|
| 46 |
|
| 47 | #### int() more
|
| 48 | pp test_ (int("3"))
|
| 49 | pp test_ (int("-35"))
|
| 50 | pp test_ (int('5_6'))
|
| 51 |
|
| 52 | shopt -s ysh:upgrade
|
| 53 |
|
| 54 | try {
|
| 55 | var c = int("bad")
|
| 56 | }
|
| 57 | echo code=$[_error.code]
|
| 58 |
|
| 59 | ## STDOUT:
|
| 60 | (Int) 3
|
| 61 | (Int) -35
|
| 62 | (Int) 56
|
| 63 | code=3
|
| 64 | ## END
|
| 65 |
|
| 66 | #### float() conversion
|
| 67 | echo "$[float(1234)]"
|
| 68 | echo "$[float('1.234')]"
|
| 69 | echo "$[float(2.345)]"
|
| 70 | ## STDOUT:
|
| 71 | 1234.0
|
| 72 | 1.234
|
| 73 | 2.345
|
| 74 | ## END
|
| 75 |
|
| 76 | #### float() overflow / underflow
|
| 77 |
|
| 78 | var a = float("1.2")
|
| 79 | var b = float("3.4")
|
| 80 |
|
| 81 | var c = float("42.1e500")
|
| 82 | var d = float("-42.1e500")
|
| 83 |
|
| 84 | write $a $b $c $d
|
| 85 | ## STDOUT:
|
| 86 | 1.2
|
| 87 | 3.4
|
| 88 | inf
|
| 89 | -inf
|
| 90 | ## END
|
| 91 |
|
| 92 | #### str() conversion
|
| 93 | echo "$[str(1234)]"
|
| 94 | echo "$[str(1.234)]"
|
| 95 | echo "$[str('foo')]"
|
| 96 | ## STDOUT:
|
| 97 | 1234
|
| 98 | 1.234
|
| 99 | foo
|
| 100 | ## END
|
| 101 |
|
| 102 | #### dict() converts from BashAssoc to Dict
|
| 103 | declare -A foo
|
| 104 | foo=([a]=1 [b]=2 [c]=3)
|
| 105 |
|
| 106 | json write (type(foo))
|
| 107 | json write (dict(foo))
|
| 108 | ## STDOUT:
|
| 109 | "BashAssoc"
|
| 110 | {
|
| 111 | "a": "1",
|
| 112 | "b": "2",
|
| 113 | "c": "3"
|
| 114 | }
|
| 115 | ## END
|
| 116 |
|
| 117 | #### dict() does shallow copy
|
| 118 | var d = {'a': 1}
|
| 119 | var d2 = d
|
| 120 | setvar d2['b'] = 2
|
| 121 | echo $['b' in d] # d2 should be an alias for d
|
| 122 |
|
| 123 | var d3 = dict(d)
|
| 124 | setvar d3['c'] = 3
|
| 125 |
|
| 126 | # d3 should NOT be an alias
|
| 127 | echo $['c' in d]
|
| 128 | echo $['c' in d3]
|
| 129 | ## STDOUT:
|
| 130 | true
|
| 131 | false
|
| 132 | true
|
| 133 | ## END
|
| 134 |
|
| 135 | #### list() does shallow copy
|
| 136 | var l = [1]
|
| 137 | var l2 = l
|
| 138 | call l2->append(2)
|
| 139 | echo $[len(l)] # d2 should be an alias for d
|
| 140 |
|
| 141 | var l3 = list(l)
|
| 142 | call l3->append(3)
|
| 143 |
|
| 144 | # l3 should NOT be an alias
|
| 145 | echo $[len(l)]
|
| 146 | echo $[len(l3)]
|
| 147 | ## STDOUT:
|
| 148 | 2
|
| 149 | 2
|
| 150 | 3
|
| 151 | ## END
|
| 152 |
|
| 153 | #### list() from Dict
|
| 154 | shopt -s ysh:upgrade
|
| 155 |
|
| 156 | var a = list({'a': 1, 'foo': 'bar'})
|
| 157 | write @a
|
| 158 | ## STDOUT:
|
| 159 | a
|
| 160 | foo
|
| 161 | ## END
|
| 162 |
|
| 163 |
|
| 164 | #### list() from range
|
| 165 | shopt -s ysh:upgrade
|
| 166 |
|
| 167 | var mylist = list(0..3)
|
| 168 | write @mylist
|
| 169 | ## STDOUT:
|
| 170 | 0
|
| 171 | 1
|
| 172 | 2
|
| 173 | ## END
|
| 174 |
|