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Merge pull request #8414 from ethereum/sol2yul-func-type-conversion

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[Sol2Yul] Implements function-to-function cast.
This commit is contained in:
Christian Parpart
2020-03-09 11:31:44 +01:00
committed by GitHub
parent d33376cce6 e210026e74
commit 988bd6780b
3 changed files with 54 additions and 1 deletions
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test/libsolidity/semanticTests/viaYul/conversion/function_cast.sol
+23
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contract C {
function f(uint x) public pure returns (uint) {
return 2 * x;
}
function g() public view returns (function (uint) external returns (uint)) {
return this.f;
}
function h(uint x) public returns (uint) {
return this.g()(x) + 1;
}
function t() external view returns (
function(uint) external returns (uint) a,
function(uint) external view returns (uint) b) {
a = this.f;
b = this.f;
}
}
// ====
// compileViaYul: also
// ----
// f(uint256): 2 -> 4
// h(uint256): 2 -> 5
// t() -> 0xFDD67305928FCAC8D213D1E47BFA6165CD0B87BB3DE648B0000000000000000, 0xFDD67305928FCAC8D213D1E47BFA6165CD0B87BB3DE648B0000000000000000