Pure Programmer
Blue Matrix


Cluster Map

Project: Random Floats

Write a program to generate a random list of floating point values. The program should accept three values on the command line: minimum value, maximum value and the number of floats to generate. The maximum value need not actually occur in the list but serves as an upper limit to the values generated. The floats should be printed one per line.

Output
$ rustc RandomFloats.rs error[E0425]: cannot find value `args` in this scope --> RandomFloats.rs:10:5 | 10 | if args.len() != 4 { | ^^^^ not found in this scope | help: consider importing this function | 7 + use std::env::args; | error[E0425]: cannot find function `exit` in this scope --> RandomFloats.rs:12:3 | 12 | exit(1); | ^^^^ not found in this scope | help: consider importing this function | 7 + use std::process::exit; | error[E0425]: cannot find value `Utils` in this scope --> RandomFloats.rs:14:20 | 14 | let mut min:f64 = Utils.stodWithDefault(args[1], 0); | ^^^^^ not found in this scope error[E0425]: cannot find value `args` in this scope --> RandomFloats.rs:14:42 | 14 | let mut min:f64 = Utils.stodWithDefault(args[1], 0); | ^^^^ not found in this scope | help: consider importing this function | 7 + use std::env::args; | error[E0425]: cannot find value `Utils` in this scope --> RandomFloats.rs:15:20 | 15 | let mut max:f64 = Utils.stodWithDefault(args[2], 0); | ^^^^^ not found in this scope error[E0425]: cannot find value `args` in this scope --> RandomFloats.rs:15:42 | 15 | let mut max:f64 = Utils.stodWithDefault(args[2], 0); | ^^^^ not found in this scope | help: consider importing this function | 7 + use std::env::args; | error[E0425]: cannot find value `Utils` in this scope --> RandomFloats.rs:16:24 | 16 | let mut count:isize = Utils.stoiWithDefault(args[3], 0); | ^^^^^ not found in this scope error[E0425]: cannot find value `args` in this scope --> RandomFloats.rs:16:46 | 16 | let mut count:isize = Utils.stoiWithDefault(args[3], 0); | ^^^^ not found in this scope | help: consider importing this function | 7 + use std::env::args; | error[E0425]: cannot find function `random` in this scope --> RandomFloats.rs:25:14 | 25 | x = min + random() * diff; | ^^^^^^ not found in this scope error: aborting due to 9 previous errors For more information about this error, try `rustc --explain E0425`.

Solution