Struct Reader 

pub struct Reader { /* private fields */ }

ARGF-style multi-source streaming reader.

Reads from stdin, one or more files, or a child process’s stdout. Uses raw read() calls (not line-buffered) to enable true streaming.

Implementations

impl Reader

pub fn new(sources: Vec<Source>, forced_format: Option<Format>) -> Self

pub fn from_args(args: &[String], command_mode: bool) -> Self

Convenience: build sources from CLI args (empty args → stdin). In command mode (-c) treat args as a shell command.

pub fn format(&self) -> Option<Format>

The detected (or forced) input format. Only valid after at least one call to Reader::read_chunks or [Reader::sniff].

pub fn read_chunks<F>(&mut self, f: F) -> Result<()>

where F: FnMut(&[u8], Format),

Iterate over all chunks from all sources, calling f for each. The first chunk triggers format sniffing if no format was forced.