Struct GridIter

pub struct GridIter<I: Iterator<Item = T>, T> { /* private fields */ }

The Grid struct wraps an Iterator and provies two dimensional access over its contents.

Implementations

impl<I: Iterator<Item = T>, T> GridIter<I, T>

pub fn iter_col(self, col: usize) -> ColIter<I>

 // . x .
 // . x .
 // . x .

 use grid_iter::IntoGridIter;
 (0..25).into_grid_iter(5)
     .iter_col(3)
     .zip([3,8,13,18,23])
     .for_each(|(l, r)| assert!(l == r));

pub fn iter_row(self, row: usize) -> RowIter<I>

 // . . .
 // x x x
 // . . .

 use grid_iter::IntoGridIter;
 (0..25).into_grid_iter(5)
     .iter_row(3)
     .zip(15..20)
     .for_each(|(l, r)| assert!(l == r));

pub fn get(self, col: usize, row: usize) -> Option<<I as IntoIterator>::Item>

 // . . .
 // . x .
 // . . .

 use grid_iter::IntoGridIter;
 assert!((0..25).into_grid_iter(5)
     .get(2,2)==Some(12))

pub fn position<P: FnMut(I::Item) -> bool>( self, pred: P, ) -> Option<(usize, usize)>

pub fn iter_diag_fwd(self, col: usize, row: usize) -> DiagFwdIter<I>

 // . . 1
 // . 2 .
 // 3 . .

 use grid_iter::IntoGridIter;
 (0..25).into_grid_iter(5)
     .iter_diag_fwd(0,1)
     .zip([1,5])
     .for_each(|(l, r)| assert!(l == r));
 (0..25).into_grid_iter(5)
     .iter_diag_fwd(3,2)
     .zip([9,13,17,21])
     .for_each(|(l, r)| assert!(l == r));
 (0..25).into_grid_iter(5)
     .iter_diag_fwd(1,0)
     .zip([1,5])
     .for_each(|(l, r)| assert!(l == r));

pub fn iter_diag_bwd(self, col: usize, row: usize) -> DiagBwdIter<I>

 // x . .
 // . x .
 // . . x

 use grid_iter::IntoGridIter;
 (0..25).into_grid_iter(5)
     .iter_diag_bwd(1,2)
     .zip([5,11,17,23])
     .for_each(|(l, r)| assert!(l == r));
 (0..25).into_grid_iter(5)
     .iter_diag_bwd(4,2)
     .zip([2,8,14])
     .for_each(|(l, r)| assert!(l == r));

impl<I: Iterator<Item = T> + Clone, T> GridIter<I, T>

pub fn iter_rows(self) -> impl Iterator<Item = RowIter<I>>

pub fn iter_cols(self) -> impl Iterator<Item = ColIter<I>>

pub fn iter_diags_bwd(self) -> impl Iterator<Item = DiagBwdIter<I>>

pub fn iter_diags_fwd(self) -> impl Iterator<Item = DiagFwdIter<I>>

 use grid_iter::IntoGridIter;
 (0..25).into_grid_iter(5)
     .iter_diags_fwd()
     .flatten()
     .sum()
     .eq(&(0..25).sum())

Trait Implementations

impl<I: Iterator<Item = T> + Clone, T> Clone for GridIter<I, T>

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<I: Debug + Iterator<Item = T>, T: Debug> Debug for GridIter<I, T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<I: Iterator<Item = T> + Clone, T: Display> Display for GridIter<I, T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<I: Copy + Iterator<Item = T>, T: Copy> Copy for GridIter<I, T>