27 lines
754 B
Rust
27 lines
754 B
Rust
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use std::fs::{File, OpenOptions};
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use std::io::Write;
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pub struct FileEnv {
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pub open: FileOpen,
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pub append_line: FileAppendLine,
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}
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impl Default for FileEnv {
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fn default() -> Self {
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Self {
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open: |path| File::open(path),
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append_line: |file_name, line| {
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let mut file = OpenOptions::new()
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.write(true)
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.append(true)
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.create(true)
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.open(file_name)
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.unwrap();
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writeln!(file, "{}", line)?;
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Ok(())
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},
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}
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}
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}
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pub type FileOpen = fn(path: &str) -> std::io::Result<File>;
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pub type FileAppendLine = fn(paht: &str, line: &str) -> std::io::Result<()>;
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