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Read lines from file
Reads a file line by line with efficient buffering and error handling using Rust's BufReader and lines iterator.
sarah29966
if let Some
"if let Some" in Rust provides a concise way to safely unwrap an Option and run code only when it contains a value, binding that value for use inside the block.
margaret19103
Option unwrapordefault
Unwraps an Option, returning the contained value if Some, or the default value for the type if None.
marthathornton651
Read file to string
This Rust snippet reads a file's contents into a String with just one line of code using the `std::fs::readtostring` function.
astewart981
Read file to string
Read a file's contents into a String with Rust's standard library, handling errors succinctly.
jamesgarcia426
Functional option unwrap
Safely and idiomatically extract values from an Option using functional combinators like map, unwrapor, and andthen to avoid panics and keep your code expressive.
gwhite476
unwraporelse closure
Use unwraporelse on Option or Result to provide a closure that returns a fallback value when the value is absent or an error occurred.
christopherhorto923
Read file to string
This snippet uses `std::fs::readtostring` to instantly load a file's contents into a `String`.
seanpena272
Option combinators
Use Rust's Option combinators like `map`, `andthen`, and `unwrapor` to elegantly chain operations on optional values without messy nested match statements.
franciscomartine687
