mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
22 lines
735 B
Solidity
22 lines
735 B
Solidity
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contract test {
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mapping(uint8 => uint8) a;
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mapping(uint8 => uint8) b;
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function set_internal(mapping(uint8 => uint8) storage m, uint8 key, uint8 value) internal returns (uint8) {
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uint8 oldValue = m[key];
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m[key] = value;
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return oldValue;
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}
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function set(uint8 key, uint8 value_a, uint8 value_b) public returns (uint8 old_a, uint8 old_b) {
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old_a = set_internal(a, key, value_a);
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old_b = set_internal(b, key, value_b);
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}
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function get(uint8 key) public returns (uint8, uint8) {
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return (a[key], b[key]);
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}
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}
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// ----
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// set(uint8,uint8,uint8): 1, 21, 42 -> 0, 0
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// get(uint8): 1 -> 21, 42
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// set(uint8,uint8,uint8): 1, 10, 11 -> 21, 42
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// get(uint8): 1 -> 10, 11
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