Struct abscissa_core::testing::process::Stderr
source · pub struct Stderr(_);
Expand description
Buffered reader for standard error
Methods from Deref<Target = BufReader<ChildStderr>>§
1.0.0 · sourcepub fn get_ref(&self) -> &R
pub fn get_ref(&self) -> &R
Gets a reference to the underlying reader.
It is inadvisable to directly read from the underlying reader.
Examples
use std::io::BufReader;
use std::fs::File;
fn main() -> std::io::Result<()> {
let f1 = File::open("log.txt")?;
let reader = BufReader::new(f1);
let f2 = reader.get_ref();
Ok(())
}
1.0.0 · sourcepub fn get_mut(&mut self) -> &mut R
pub fn get_mut(&mut self) -> &mut R
Gets a mutable reference to the underlying reader.
It is inadvisable to directly read from the underlying reader.
Examples
use std::io::BufReader;
use std::fs::File;
fn main() -> std::io::Result<()> {
let f1 = File::open("log.txt")?;
let mut reader = BufReader::new(f1);
let f2 = reader.get_mut();
Ok(())
}
1.37.0 · sourcepub fn buffer(&self) -> &[u8] ⓘ
pub fn buffer(&self) -> &[u8] ⓘ
Returns a reference to the internally buffered data.
Unlike fill_buf
, this will not attempt to fill the buffer if it is empty.
Examples
use std::io::{BufReader, BufRead};
use std::fs::File;
fn main() -> std::io::Result<()> {
let f = File::open("log.txt")?;
let mut reader = BufReader::new(f);
assert!(reader.buffer().is_empty());
if reader.fill_buf()?.len() > 0 {
assert!(!reader.buffer().is_empty());
}
Ok(())
}
1.46.0 · sourcepub fn capacity(&self) -> usize
pub fn capacity(&self) -> usize
Returns the number of bytes the internal buffer can hold at once.
Examples
use std::io::{BufReader, BufRead};
use std::fs::File;
fn main() -> std::io::Result<()> {
let f = File::open("log.txt")?;
let mut reader = BufReader::new(f);
let capacity = reader.capacity();
let buffer = reader.fill_buf()?;
assert!(buffer.len() <= capacity);
Ok(())
}
1.53.0 · sourcepub fn seek_relative(&mut self, offset: i64) -> Result<(), Error>
pub fn seek_relative(&mut self, offset: i64) -> Result<(), Error>
Seeks relative to the current position. If the new position lies within the buffer, the buffer will not be flushed, allowing for more efficient seeks. This method does not return the location of the underlying reader, so the caller must track this information themselves if it is required.
Trait Implementations§
source§impl Deref for Stderr
impl Deref for Stderr
§type Target = BufReader<ChildStderr>
type Target = BufReader<ChildStderr>
The resulting type after dereferencing.
source§impl OutputStream<ChildStderr> for Stderr
impl OutputStream<ChildStderr> for Stderr
Auto Trait Implementations§
impl RefUnwindSafe for Stderr
impl Send for Stderr
impl Sync for Stderr
impl Unpin for Stderr
impl UnwindSafe for Stderr
Blanket Implementations§
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
§impl<D> OwoColorize for D
impl<D> OwoColorize for D
§fn fg<C>(&self) -> FgColorDisplay<'_, C, Self>where
C: Color,
fn fg<C>(&self) -> FgColorDisplay<'_, C, Self>where
C: Color,
Set the foreground color generically Read more
§fn bg<C>(&self) -> BgColorDisplay<'_, C, Self>where
C: Color,
fn bg<C>(&self) -> BgColorDisplay<'_, C, Self>where
C: Color,
Set the background color generically. Read more
§fn on_yellow<'a>(&'a self) -> BgColorDisplay<'a, Yellow, Self>
fn on_yellow<'a>(&'a self) -> BgColorDisplay<'a, Yellow, Self>
Change the background color to yellow
§fn magenta<'a>(&'a self) -> FgColorDisplay<'a, Magenta, Self>
fn magenta<'a>(&'a self) -> FgColorDisplay<'a, Magenta, Self>
Change the foreground color to magenta
§fn on_magenta<'a>(&'a self) -> BgColorDisplay<'a, Magenta, Self>
fn on_magenta<'a>(&'a self) -> BgColorDisplay<'a, Magenta, Self>
Change the background color to magenta
§fn on_purple<'a>(&'a self) -> BgColorDisplay<'a, Magenta, Self>
fn on_purple<'a>(&'a self) -> BgColorDisplay<'a, Magenta, Self>
Change the background color to purple
§fn default_color<'a>(&'a self) -> FgColorDisplay<'a, Default, Self>
fn default_color<'a>(&'a self) -> FgColorDisplay<'a, Default, Self>
Change the foreground color to the terminal default
§fn on_default_color<'a>(&'a self) -> BgColorDisplay<'a, Default, Self>
fn on_default_color<'a>(&'a self) -> BgColorDisplay<'a, Default, Self>
Change the background color to the terminal default
§fn bright_black<'a>(&'a self) -> FgColorDisplay<'a, BrightBlack, Self>
fn bright_black<'a>(&'a self) -> FgColorDisplay<'a, BrightBlack, Self>
Change the foreground color to bright black
§fn on_bright_black<'a>(&'a self) -> BgColorDisplay<'a, BrightBlack, Self>
fn on_bright_black<'a>(&'a self) -> BgColorDisplay<'a, BrightBlack, Self>
Change the background color to bright black
§fn bright_red<'a>(&'a self) -> FgColorDisplay<'a, BrightRed, Self>
fn bright_red<'a>(&'a self) -> FgColorDisplay<'a, BrightRed, Self>
Change the foreground color to bright red
§fn on_bright_red<'a>(&'a self) -> BgColorDisplay<'a, BrightRed, Self>
fn on_bright_red<'a>(&'a self) -> BgColorDisplay<'a, BrightRed, Self>
Change the background color to bright red
§fn bright_green<'a>(&'a self) -> FgColorDisplay<'a, BrightGreen, Self>
fn bright_green<'a>(&'a self) -> FgColorDisplay<'a, BrightGreen, Self>
Change the foreground color to bright green
§fn on_bright_green<'a>(&'a self) -> BgColorDisplay<'a, BrightGreen, Self>
fn on_bright_green<'a>(&'a self) -> BgColorDisplay<'a, BrightGreen, Self>
Change the background color to bright green
§fn bright_yellow<'a>(&'a self) -> FgColorDisplay<'a, BrightYellow, Self>
fn bright_yellow<'a>(&'a self) -> FgColorDisplay<'a, BrightYellow, Self>
Change the foreground color to bright yellow
§fn on_bright_yellow<'a>(&'a self) -> BgColorDisplay<'a, BrightYellow, Self>
fn on_bright_yellow<'a>(&'a self) -> BgColorDisplay<'a, BrightYellow, Self>
Change the background color to bright yellow
§fn bright_blue<'a>(&'a self) -> FgColorDisplay<'a, BrightBlue, Self>
fn bright_blue<'a>(&'a self) -> FgColorDisplay<'a, BrightBlue, Self>
Change the foreground color to bright blue
§fn on_bright_blue<'a>(&'a self) -> BgColorDisplay<'a, BrightBlue, Self>
fn on_bright_blue<'a>(&'a self) -> BgColorDisplay<'a, BrightBlue, Self>
Change the background color to bright blue
§fn bright_magenta<'a>(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>
fn bright_magenta<'a>(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>
Change the foreground color to bright magenta
§fn on_bright_magenta<'a>(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>
fn on_bright_magenta<'a>(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>
Change the background color to bright magenta
§fn bright_purple<'a>(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>
fn bright_purple<'a>(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>
Change the foreground color to bright purple
§fn on_bright_purple<'a>(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>
fn on_bright_purple<'a>(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>
Change the background color to bright purple
§fn bright_cyan<'a>(&'a self) -> FgColorDisplay<'a, BrightCyan, Self>
fn bright_cyan<'a>(&'a self) -> FgColorDisplay<'a, BrightCyan, Self>
Change the foreground color to bright cyan
§fn on_bright_cyan<'a>(&'a self) -> BgColorDisplay<'a, BrightCyan, Self>
fn on_bright_cyan<'a>(&'a self) -> BgColorDisplay<'a, BrightCyan, Self>
Change the background color to bright cyan
§fn bright_white<'a>(&'a self) -> FgColorDisplay<'a, BrightWhite, Self>
fn bright_white<'a>(&'a self) -> FgColorDisplay<'a, BrightWhite, Self>
Change the foreground color to bright white
§fn on_bright_white<'a>(&'a self) -> BgColorDisplay<'a, BrightWhite, Self>
fn on_bright_white<'a>(&'a self) -> BgColorDisplay<'a, BrightWhite, Self>
Change the background color to bright white
§fn blink_fast<'a>(&'a self) -> BlinkFastDisplay<'a, Self>
fn blink_fast<'a>(&'a self) -> BlinkFastDisplay<'a, Self>
Make the text blink (but fast!)
Hide the text
§fn strikethrough<'a>(&'a self) -> StrikeThroughDisplay<'a, Self>
fn strikethrough<'a>(&'a self) -> StrikeThroughDisplay<'a, Self>
Cross out the text
§fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
Set the foreground color at runtime. Only use if you do not know which color will be used at
compile-time. If the color is constant, use either
OwoColorize::fg
or
a color-specific method, such as OwoColorize::green
, Read more§fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>where
Color: DynColor,
Set the background color at runtime. Only use if you do not know what color to use at
compile-time. If the color is constant, use either
OwoColorize::bg
or
a color-specific method, such as OwoColorize::on_yellow
, Read more§fn fg_rgb<const R: u8, const G: u8, const B: u8>(
&self
) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>
fn fg_rgb<const R: u8, const G: u8, const B: u8>(
&self
) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>
Set the foreground color to a specific RGB value.
§fn bg_rgb<const R: u8, const G: u8, const B: u8>(
&self
) -> BgColorDisplay<'_, CustomColor<R, G, B>, Self>
fn bg_rgb<const R: u8, const G: u8, const B: u8>(
&self
) -> BgColorDisplay<'_, CustomColor<R, G, B>, Self>
Set the background color to a specific RGB value.
§fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>
fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>
Sets the foreground color to an RGB value.
§fn on_truecolor(&self, r: u8, g: u8, b: u8) -> BgDynColorDisplay<'_, Rgb, Self>
fn on_truecolor(&self, r: u8, g: u8, b: u8) -> BgDynColorDisplay<'_, Rgb, Self>
Sets the background color to an RGB value.