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Use references for function call args.

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This commit is contained in:
Stephen Chung
2020-03-26 10:56:28 +08:00
parent ea4d3fa6b8
commit 8679982b4b
3 changed files with 39 additions and 38 deletions
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12
src/fn_register.rs
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@@ -145,7 +145,7 @@ macro_rules! def_register {
fn register_fn(&mut self, name: &str, f: FN) {
let fn_name = name.to_string();
let fun = move |mut args: FnCallArgs, pos: Position| {
let fun = move |args: &mut FnCallArgs, pos: Position| {
// Check for length at the beginning to avoid per-element bound checks.
const NUM_ARGS: usize = count_args!($($par)*);
@@ -154,7 +154,7 @@ macro_rules! def_register {
}
#[allow(unused_variables, unused_mut)]
let mut drain = args.drain(..);
let mut drain = args.iter_mut();
$(
// Downcast every element, return in case of a type mismatch
let $par = drain.next().unwrap().downcast_mut::<$par>().unwrap();
@@ -177,7 +177,7 @@ macro_rules! def_register {
fn register_dynamic_fn(&mut self, name: &str, f: FN) {
let fn_name = name.to_string();
let fun = move |mut args: FnCallArgs, pos: Position| {
let fun = move |args: &mut FnCallArgs, pos: Position| {
// Check for length at the beginning to avoid per-element bound checks.
const NUM_ARGS: usize = count_args!($($par)*);
@@ -186,7 +186,7 @@ macro_rules! def_register {
}
#[allow(unused_variables, unused_mut)]
let mut drain = args.drain(..);
let mut drain = args.iter_mut();
$(
// Downcast every element, return in case of a type mismatch
let $par = drain.next().unwrap().downcast_mut::<$par>().unwrap();
@@ -209,7 +209,7 @@ macro_rules! def_register {
fn register_result_fn(&mut self, name: &str, f: FN) {
let fn_name = name.to_string();
let fun = move |mut args: FnCallArgs, pos: Position| {
let fun = move |args: &mut FnCallArgs, pos: Position| {
// Check for length at the beginning to avoid per-element bound checks.
const NUM_ARGS: usize = count_args!($($par)*);
@@ -218,7 +218,7 @@ macro_rules! def_register {
}
#[allow(unused_variables, unused_mut)]
let mut drain = args.drain(..);
let mut drain = args.iter_mut();
$(
// Downcast every element, return in case of a type mismatch
let $par = drain.next().unwrap().downcast_mut::<$par>().unwrap();