20 lines
558 B
Plaintext
20 lines
558 B
Plaintext
:sig
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bool DValue::is_list() const
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:params
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return value : true when the value is an array with keys 0..n-1
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:see
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0_DValue
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2_DValue_set_array
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2_DValue_push
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:content
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Returns true for map-shaped values that represent a list. An empty map is a list only if it was explicitly put in list mode with `set_array()` or by list operations. Non-empty lists must have canonical numeric string keys from `0` through `size - 1`.
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```cpp
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DValue first; first = "first";
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DValue items; items.set_array(); items.push(first);
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if(items.is_list()) print(json_encode(items));
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```
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