mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
25 lines
1015 B
Solidity
25 lines
1015 B
Solidity
abstract contract A {
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function foo() internal virtual returns (uint256);
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function test(uint8 _a) internal virtual returns (uint256);
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}
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abstract contract B {
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function foo() internal virtual returns (uint256);
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function test() internal virtual returns (uint256);
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}
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abstract contract C {
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function foo() internal virtual returns (uint256);
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}
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abstract contract D {
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function foo() internal virtual returns (uint256);
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function test() internal virtual returns (uint256);
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}
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abstract contract X is A, B, C, D {
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function test() internal override(B, D, D) virtual returns (uint256);
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function foo() internal override(A, C, B, B, B, D ,D) virtual returns (uint256);
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}
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// ----
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// TypeError 4520: (548-549): Duplicate contract "D" found in override list of "test".
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// TypeError 4520: (621-622): Duplicate contract "B" found in override list of "foo".
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// TypeError 4520: (624-625): Duplicate contract "B" found in override list of "foo".
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// TypeError 4520: (630-631): Duplicate contract "D" found in override list of "foo".
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