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tutorial: rework nolink description to remove mention of "empty string" #1502

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5 changes: 2 additions & 3 deletions doc/tutorial/ffi.md
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Expand Up @@ -196,9 +196,8 @@ microsecond-resolution timer.
ret (x.tv_sec as u64) * 1000_000_u64 + (x.tv_usec as u64);
}

The `#[nolink]` sets the name of the native module to the
empty string to prevent the rust compiler from trying to link it.
The standard C library is already linked with Rust programs.
The `#[nolink]` attribute indicates that there's no native library to link
in. The standard C library is already linked with Rust programs.

A `timeval`, in C, is a struct with two 32-bit integers. Thus, we
define a record type with the same contents, and declare
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