wildthink

//
//  Created by Adam Preble on 2/19/15.
//

/// Weak, unordered collection of objects.
public struct WeakSet<T where T: AnyObject, T: Hashable> {
    typealias Element = T
    
    /// Maps Element hashValues to arrays of Entry objects.
    /// Invalid Entry instances are culled as a side effect of add() and remove()

wildthink

- (void)controllerWillChangeContent:(NSFetchedResultsController *)controller
{
    self.shouldReloadCollectionView = NO;
    self.blockOperation = [[NSBlockOperation alloc] init];
}

- (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id<NSFetchedResultsSectionInfo>)sectionInfo
           atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type
{
    __weak UICollectionView *collectionView = self.collectionView;

wildthink

CGFloat ScaleToAspectFitRectInRect(CGRect rfit, CGRect rtarget)
{
    // first try to match width
    CGFloat s = CGRectGetWidth(rtarget) / CGRectGetWidth(rfit);
    // if we scale the height to make the widths equal, does it still fit?
    if (CGRectGetHeight(rfit) * s <= CGRectGetHeight(rtarget)) {
        return s;
    }
    // no, match height instead
    return CGRectGetHeight(rtarget) / CGRectGetHeight(rfit);

wildthink

#!/usr/bin/python3
# By Steve Hanov, 2011. Released to the public domain.
# Updated 2014 to use DAWG as a mapping.
import sys
import time

DICTIONARY = "/usr/share/dict/words"
QUERY = sys.argv[1:]

# This class represents a node in the directed acyclic word graph (DAWG). It

wildthink

// If you want types initializable from String literals
// but don't want to implement three separate initializers.


extension ExpressibleByUnicodeScalarLiteral where Self: ExpressibleByStringLiteral, Self.StringLiteralType == String {
    public init(unicodeScalarLiteral value: String) {
        self.init(stringLiteral: value)
    }
}

wildthink

//-- This is an introduction to Transducers in Swift, inspired by
//   Talk: https://www.youtube.com/watch?v=estNbh2TF3E
//   Code: https://github.com/mbrandonw/learn-transducers-playground
//   Updated with Swift 2

/**
 * Define a few test methods
 */
/// REDUCER
func append <A> (xs: [A], x: A) -> [A] { return xs + [x] }