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replaced most iter::once

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J.Teeuwissen 2023-04-16 19:58:28 +02:00
parent 10de47db50
commit ca45e3c9f9
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2 changed files with 13 additions and 13 deletions
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22
crates/compiler/mono/src/inc_dec.rs
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@ -5,7 +5,7 @@
// Implementation based of Perceus: Garbage Free Reference Counting with Reuse
// https://www.microsoft.com/en-us/research/uploads/prod/2021/06/perceus-pldi21.pdf
use std::{collections::HashMap, hash::BuildHasherDefault, iter};
use std::{collections::HashMap, hash::BuildHasherDefault};
use bumpalo::collections::{CollectIn, Vec};
use bumpalo::Bump;
@ -175,7 +175,7 @@ impl<'a, 'i> SymbolRcTypesEnv<'a, 'i> {
for (info, stmt) in branches
.iter()
.map(|(_branch, info, stmt)| (info, stmt))
.chain(iter::once((&default_branch.0, default_branch.1)))
.chain([(&default_branch.0, default_branch.1)])
{
match info {
BranchInfo::None => (),
@ -707,7 +707,7 @@ fn insert_refcount_operations_stmt<'v, 'a>(
consume_and_insert_inc_stmts(
arena,
environment,
environment.owned_usages(std::iter::once(*symbol)),
environment.owned_usages([*symbol]),
new_debug,
)
}
@ -828,7 +828,7 @@ fn insert_refcount_operations_stmt<'v, 'a>(
consume_and_insert_inc_stmts(
arena,
environment,
environment.owned_usages(std::iter::once(symbol).copied()),
environment.owned_usages([*symbol]),
new_crash,
)
}
@ -976,7 +976,7 @@ fn insert_refcount_operations_binding<'a>(
match operator {
HigherOrder::ListMap { xs } => {
if let [_xs_symbol, _function_symbol, closure_symbol] = &arguments {
let new_stmt = dec_borrowed!(iter::once(*closure_symbol), stmt);
let new_stmt = dec_borrowed!([*closure_symbol], stmt);
let new_stmt = decref_lists!(new_stmt, *xs);
let new_let = new_let!(new_stmt);
@ -990,7 +990,7 @@ fn insert_refcount_operations_binding<'a>(
if let [_xs_symbol, _ys_symbol, _function_symbol, closure_symbol] =
&arguments
{
let new_stmt = dec_borrowed!(iter::once(*closure_symbol), stmt);
let new_stmt = dec_borrowed!([*closure_symbol], stmt);
let new_stmt = decref_lists!(new_stmt, *xs, *ys);
let new_let = new_let!(new_stmt);
@ -1004,7 +1004,7 @@ fn insert_refcount_operations_binding<'a>(
if let [_xs_symbol, _ys_symbol, _zs_symbol, _function_symbol, closure_symbol] =
&arguments
{
let new_stmt = dec_borrowed!(iter::once(*closure_symbol), stmt);
let new_stmt = dec_borrowed!([*closure_symbol], stmt);
let new_stmt = decref_lists!(new_stmt, *xs, *ys, *zs);
let new_let = new_let!(new_stmt);
@ -1018,7 +1018,7 @@ fn insert_refcount_operations_binding<'a>(
if let [_xs_symbol, _ys_symbol, _zs_symbol, _ws_symbol, _function_symbol, closure_symbol] =
&arguments
{
let new_stmt = dec_borrowed!(iter::once(*closure_symbol), stmt);
let new_stmt = dec_borrowed!([*closure_symbol], stmt);
let new_stmt = decref_lists!(new_stmt, *xs, *ys, *zs, *ws);
let new_let = new_let!(new_stmt);
@ -1031,7 +1031,7 @@ fn insert_refcount_operations_binding<'a>(
HigherOrder::ListSortWith { xs } => {
// TODO if non-unique, elements have been consumed, must still consume the list itself
if let [_xs_symbol, _function_symbol, closure_symbol] = &arguments {
let new_stmt = dec_borrowed!(iter::once(*closure_symbol), stmt);
let new_stmt = dec_borrowed!([*closure_symbol], stmt);
let new_let = new_let!(new_stmt);
inc_owned!([*xs].into_iter(), new_let)
@ -1050,7 +1050,7 @@ fn insert_refcount_operations_binding<'a>(
Expr::ExprBox { symbol } => {
let new_let = new_let!(stmt);
inc_owned!(iter::once(*symbol), new_let)
inc_owned!([*symbol], new_let)
}
Expr::GetTagId { structure, .. }
| Expr::StructAtIndex { structure, .. }
@ -1059,7 +1059,7 @@ fn insert_refcount_operations_binding<'a>(
// All structures are alive at this point and don't have to be copied in order to take an index out/get tag id/copy values to the stack.
// But we do want to make sure to decrement this item if it is the last reference.
let new_stmt = dec_borrowed!(iter::once(*structure), stmt);
let new_stmt = dec_borrowed!([*structure], stmt);
// Add an increment operation for the binding if it is reference counted and if the expression creates a new reference to a value.
let newer_stmt = if matches!(