18 lines
354 B
Rust
18 lines
354 B
Rust
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#![feature(decl_macro)]
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macro n($foo:ident, $S:ident, $i:ident, $m:ident) {
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mod $foo {
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#[derive(Default)]
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pub struct $S { $i: u32 }
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pub macro $m($e:expr) { $e.$i }
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}
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}
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n!(foo, S, i, m);
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fn main() {
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use foo::{S, m};
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S::default().i; //~ ERROR field `i` of struct `foo::S` is private
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m!(S::default()); // ok
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}
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