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use Arc to avoid ever needing to actually copy the underlying bytes

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Brendan Hansknecht 2023-04-07 16:55:41 -07:00
parent a354860d07
commit 90f4885f4b
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3 changed files with 14 additions and 12 deletions
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7
crates/compiler/can/src/expr.rs
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@ -30,6 +30,7 @@ use std::fmt::{Debug, Display};
use std::fs::File;
use std::io::Read;
use std::path::Path;
use std::sync::Arc;
use std::{char, u32};
/// Derives that an opaque type has claimed, to checked and recorded after solving.
@ -103,8 +104,8 @@ pub enum Expr {
loc_elems: Vec<Loc<Expr>>,
},
// The bytes of a file and the expected type annotation.
IngestedFile(Box<Path>, Vec<u8>, Variable),
// An ingested files, it's bytes, and the type variable.
IngestedFile(Box<Path>, Arc<Vec<u8>>, Variable),
// Lookups
Var(Symbol, Variable),
@ -741,7 +742,7 @@ pub fn canonicalize_expr<'a>(
let mut bytes = vec![];
match file.read_to_end(&mut bytes) {
Ok(_) => (
Expr::IngestedFile((*file_path).into(), bytes, var_store.fresh()),
Expr::IngestedFile((*file_path).into(), Arc::new(bytes), var_store.fresh()),
Output::default(),
),
Err(e) => {