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Fix always appending extra newline in writer convenience functions in std-only crate

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a dinosaur
2025-11-05 07:43:56 +11:00
parent dc833a24ed
commit 9d8960e772
1 changed files with 3 additions and 3 deletions
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6
jaarg/src/std.rs
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@@ -9,7 +9,7 @@ use crate::alloc::ParseMapResult;
use crate::{HandlerResult, HelpWriter, HelpWriterContext, Opt, Opts, ParseControl, ParseError, ParseResult, StandardFullHelpWriter, StandardShortUsageWriter};
use std::path::Path;
use std::rc::Rc;
use std::{env, eprintln, println};
use std::{env, eprint, eprintln, print};
impl<ID: 'static> Opts<ID> {
/// Wrapper around [Opts::parse] that gathers arguments from the command line and prints errors to stderr.
@@ -34,7 +34,7 @@ impl<ID: 'static> Opts<ID> {
/// Requires `features = ["std"]`.
pub fn print_help<'a, W: HelpWriter<'a, ID>>(&'a self, program_name: &'a str) {
let ctx = HelpWriterContext { options: self, program_name };
println!("{}", W::new(ctx));
print!("{}", W::new(ctx));
}
/// Print help text to stderr using the provided help writer.
@@ -42,7 +42,7 @@ impl<ID: 'static> Opts<ID> {
/// Requires `features = ["std"]`.
pub fn eprint_help<'a, W: HelpWriter<'a, ID>>(&'a self, program_name: &'a str) {
let ctx = HelpWriterContext { options: self, program_name };
eprintln!("{}", W::new(ctx));
eprint!("{}", W::new(ctx));
}
fn easy_args<'a>() -> (Rc<str>, env::Args) {