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40 lines
2.1 KiB
Rust
40 lines
2.1 KiB
Rust
#![feature(builtin_syntax)]
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use std::mem::offset_of;
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fn main() {
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offset_of!((u8, u8), +1); //~ ERROR no rules expected
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offset_of!((u8, u8), -1); //~ ERROR offset_of expects dot-separated field and variant names
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offset_of!((u8, u8), 1.); //~ ERROR offset_of expects dot-separated field and variant names
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offset_of!((u8, u8), 1 .); //~ ERROR unexpected token: `)`
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// We need to put these into curly braces, otherwise only one of the
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// errors will be emitted and the others suppressed.
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{ builtin # offset_of((u8, u8), +1) }; //~ ERROR leading `+` is not supported
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{ builtin # offset_of((u8, u8), 1.) }; //~ ERROR offset_of expects dot-separated field and variant names
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{ builtin # offset_of((u8, u8), 1 .) }; //~ ERROR unexpected token: `)`
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}
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type ComplexTup = (((u8, u8), u8), u8);
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fn nested() {
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// All combinations of spaces (this sends different tokens to the parser)
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offset_of!(ComplexTup, 0.0.1.); //~ ERROR unexpected token: `)`
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offset_of!(ComplexTup, 0 .0.1.); //~ ERROR unexpected token: `)`
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offset_of!(ComplexTup, 0 . 0.1.); //~ ERROR unexpected token: `)`
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offset_of!(ComplexTup, 0. 0.1.); //~ ERROR unexpected token: `)`
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offset_of!(ComplexTup, 0.0 .1.); //~ ERROR unexpected token: `)`
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offset_of!(ComplexTup, 0.0 . 1.); //~ ERROR unexpected token: `)`
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offset_of!(ComplexTup, 0.0. 1.); //~ ERROR unexpected token: `)`
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// Test for builtin too to ensure that the builtin syntax can also handle these cases
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// We need to put these into curly braces, otherwise only one of the
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// errors will be emitted and the others suppressed.
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{ builtin # offset_of(ComplexTup, 0.0.1.) }; //~ ERROR unexpected token: `)`
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{ builtin # offset_of(ComplexTup, 0 .0.1.) }; //~ ERROR unexpected token: `)`
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{ builtin # offset_of(ComplexTup, 0 . 0.1.) }; //~ ERROR unexpected token: `)`
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{ builtin # offset_of(ComplexTup, 0. 0.1.) }; //~ ERROR unexpected token: `)`
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{ builtin # offset_of(ComplexTup, 0.0 .1.) }; //~ ERROR unexpected token: `)`
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{ builtin # offset_of(ComplexTup, 0.0 . 1.) }; //~ ERROR unexpected token: `)`
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{ builtin # offset_of(ComplexTup, 0.0. 1.) }; //~ ERROR unexpected token: `)`
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}
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