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Relax Fn requirement, use FnOnce instead #7

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merged 1 commit into from
Jun 9, 2018
+3 −3
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Relax Fn requirement, use FnOnce instead #7

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6 changes: 3 additions & 3 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -229,7 +229,7 @@ extern "C" {
/// ```
#[cfg(not(fuzzing))]
#[allow(unused_variables)]
pub fn fuzz<F>(closure: F) where F: Fn(&[u8]) {
pub fn fuzz<F>(closure: F) where F: FnOnce(&[u8]) {
eprintln!("This executable hasn't been built with \"cargo hfuzz\".");
eprintln!("Try executing \"cargo hfuzz build\" and check out \"hfuzz_target\" directory.");
eprintln!("Or execute \"cargo hfuzz run TARGET\"");
Expand All @@ -249,7 +249,7 @@ lazy_static! {
}

#[cfg(all(fuzzing, not(fuzzing_debug)))]
pub fn fuzz<F>(closure: F) where F: Fn(&[u8]) + std::panic::RefUnwindSafe {
pub fn fuzz<F>(closure: F) where F: FnOnce(&[u8]) + std::panic::UnwindSafe {
// sets panic hook if not already done
lazy_static::initialize(&PANIC_HOOK);

Expand Down Expand Up @@ -278,7 +278,7 @@ pub fn fuzz<F>(closure: F) where F: Fn(&[u8]) + std::panic::RefUnwindSafe {
}

#[cfg(all(fuzzing, fuzzing_debug))]
pub fn fuzz<F>(closure: F) where F: Fn(&[u8]) {
pub fn fuzz<F>(closure: F) where F: FnOnce(&[u8]) {
use std::env;
use std::fs::File;
use memmap::MmapOptions;
Expand Down