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42 lines
759 B
42 lines
759 B
## Foreach `break` and `continue` |
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`break` and `continue` keywords can be used inside foreach loops. |
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```meson |
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items = ['a', 'continue', 'b', 'break', 'c'] |
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result = [] |
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foreach i : items |
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if i == 'continue' |
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continue |
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elif i == 'break' |
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break |
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endif |
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result += i |
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endforeach |
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# result is ['a', 'b'] |
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``` |
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You can check if an array contains an element like this: |
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```meson |
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my_array = [1, 2] |
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if 1 in my_array |
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# This condition is true |
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endif |
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if 1 not in my_array |
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# This condition is false |
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endif |
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``` |
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You can check if a dictionary contains a key like this: |
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```meson |
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my_dict = {'foo': 42, 'foo': 43} |
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if 'foo' in my_dict |
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# This condition is true |
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endif |
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if 42 in my_dict |
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# This condition is false |
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endif |
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if 'foo' not in my_dict |
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# This condition is false |
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endif |
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```
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