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use error::ParseError;
use RoundingMode;
pub trait ToF32 {
fn to_f32_res(self)
-> ParseResultF32;
fn to_f32(self)
-> f32;
}
pub trait ToF32RM {
fn to_f32_rm_res(self, rm: RoundingMode)
-> ParseResultF32;
fn to_f32_rm(self, rm: RoundingMode)
-> f32;
}
pub fn bool_to_f32_res(a: bool)
-> ParseResultF32 {
if a { Ok(1.0) } else { Ok(0.0) }
}
pub fn bool_to_f32(a: bool)
-> f32 {
if a { 1.0 } else { 0.0 }
}
pub fn string_to_f32_res(a: String)
-> ParseResultF32 {
match a.parse::<f32>() {
Ok(n) => Ok(n),
Err(_) => Err(ParseError::InvalidNumber(a))
}
}
pub fn string_to_f32(a: String)
-> f32 {
match string_to_f32_res(a) {
Ok(i) => i,
Err(err) => panic!("{}",err)
}
}
pub fn str_to_f32_res(a: &str)
-> ParseResultF32 {
match a.parse::<f32>() {
Ok(n) => Ok(n),
Err(_) => Err(ParseError::InvalidNumber(a.to_string()))
}
}
pub fn str_to_f32(a: &str)
-> f32 {
match str_to_f32_res(a) {
Ok(i) => i,
Err(err) => panic!("{}",err)
}
}
pub type ParseResultF32 = Result<f32, ParseError>;