We have reached a state where we can now avoid panicking, but explicitly handling all our errors is still a very difficult task. In this recipe, we'll use try! for cases where we simply need to unwrap without having to panic.
- Preface
- Let us Make System Programming Great Again
- Introduction
- Setting up Rust in Linux and macOS
- Setting up Rust in Windows
- Creating your first Rust program
- Defining a variable assignment
- Setting up Boolean and the character types
- Controlling decimal points, number formats, and named arguments
- Performing arithmetic operations
- Defining mutable variables
- Declaring and performing string operations
- Declaring arrays and using slices in Rust
- Declaring vectors in Rust
- Declaring tuples in Rust
- Performing calculations on two numbers
- Advanced Programming with Rust
- Introduction
- Defining an expression
- Defining constants
- Performing variable bindings
- Performing type casting in Rust
- Decision-making with Rust
- Looping operations in Rust
- Defining the enum type
- Defining closures
- Performing pointer operations in Rust
- Defining your first user-defined data type
- Adding functionality to the user-defined data type
- Similar functionality for different data type
- Deep Diving into Cargo
- Creating Crates and Modules
- Deep Dive into Parallelism
- Efficient Error Handling
- Introduction
- Implementing panic
- Implementing Option
- Creating map combinator
- Creating and_then combinator
- Creating map for the Result type
- Implementing aliases
- Handling multiple errors
- Implementing early returns
- Implementing the try! macro
- Defining your own error types
- Implementing the boxing of errors
- Hacking Macros
- Integrating Rust with Other Languages
- Web Development with Rust
- Advanced Web Development in Rust
- Advanced Rust Tools and Libraries
- Introduction
- Setting up rustup
- Setting up rustfmt
- Setting up rust-clippy
- Setting up and testing with Servo
- Generating random numbers
- Writing lines to a file
- Parsing unstructured JSON
- Parsing URL from a string
- Decompressing a tarball
- Compressing a directory to a tarball
- Finding file extensions recursively
Implementing the try! macro
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