d9a3e21aec
Transmutable was changed to Converter. This needed to be reflected in the example and tests. Also, fixed some comments in the new transmutable module.
70 lines
1.6 KiB
Rust
70 lines
1.6 KiB
Rust
#![feature(convert)]
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extern crate alchemy;
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use alchemy::{Converter, PlatformEndian};
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pub fn main()
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{
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let num: f32;
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let final_num: f32;
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let mut buffer: [u8; 4];
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// Initialize the variables.
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num = 6.291985f32;
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buffer = [0u8; 4];
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println!("Converting the value {} into and out of an array of bytes.", num);
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println!("Buffer starts as: {}", stringify_array(&buffer));
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// Convert the floating point number into an array of bytes.
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PlatformEndian::f32_to_bytes(&mut buffer, num);
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println!("Buffer contains: {}", stringify_array(&buffer));
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// Convert the array of bytes into a floating point number.
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final_num = PlatformEndian::bytes_to_f32(&buffer);
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println!("The buffer converts back to: {}", final_num);
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}
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/// This just help pretty up the printing of an array of bytes.
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fn stringify_array(buffer: &[u8]) -> String
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{
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let mut result: String;
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let mut count: usize;
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// Create a new string that starts with just
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// the array opening bracket.
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result = String::new();
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result.push_str("[");
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// Loop through the buffer keeping track
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// of our place in it.
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count = 0usize;
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for byte in buffer
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{
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// Handle priting the last value differently.
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if count >= buffer.len() - 1
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{
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result.push_str(byte.to_string().as_str());
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}
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else
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{
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result.push_str(byte.to_string().as_str());
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result.push_str(", ");
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}
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// Mark that we are going to look at
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// the next byte in the array.
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count += 1;
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}
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// Add the array closing bracket and
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// return the new String.
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result.push_str("]");
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result
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}
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