Answers for "rust create empty vector from_elem"

3

create empty vector in rust

///Creates and returns empty vector
vec![]

///Creates and returns vector of length 'l' with default value 'v'
vec![v; l] /// vec![0; 3] returns [0,0,0]

///Creates and returns vector of length 'l' with default value 'v' of datatype 'T'
vec![vT; l]; /// vec![3u8; 2] returns [3, 3] 

///Creates empty vector with specific type 'T' and capacity 'c'
Vec::<T>::with_capacity(c)
Posted by: Guest on November-01-2021
1

rust empty vector

let mut vec = Vec::new();
Posted by: Guest on September-09-2020

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