88f29aab27
This patch changes how to specify ABI and link name of a native module.
Before:
native "cdecl" mod llvm = "rustllvm" {...}
After:
#[abi = "cdecl"]
#[link_name = "rustllvm"]
native mod llvm {...}
The old optional syntax for ABI and link name is no longer supported.
Fixes issue #547
30 lines
753 B
Rust
30 lines
753 B
Rust
import rusti::vec_len;
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#[abi = "rust-intrinsic"]
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native mod rusti {
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fn vec_len<T>(&&v: [T]) -> uint;
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}
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fn main() unsafe {
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let v: [int] = [];
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assert (vec_len(v) == 0u); // zero-length
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let x = [1, 2];
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assert (vec_len(x) == 2u); // on stack
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let y = [1, 2, 3, 4, 5];
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assert (vec_len(y) == 5u); // on heap
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v += [];
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assert (vec_len(v) == 0u); // zero-length append
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x += [3];
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assert (vec_len(x) == 3u); // on-stack append
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y += [6, 7, 8, 9];
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assert (vec_len(y) == 9u); // on-heap append
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let vv = v + v;
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assert (vec_len(vv) == 0u); // zero-length add
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let xx = x + [4];
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assert (vec_len(xx) == 4u); // on-stack add
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let yy = y + [10, 11];
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assert (vec_len(yy) == 11u); // on-heap add
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}
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