vialyx
/ enum_create.swift
Created
August 11, 2018 18:26
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // TODO: - Create a new error | |
| var error = EmailValidationError.empty | |
| // TODO: - OR type-inferred | |
| var signupError: EmailValidationError = .invalid | |
| error = .noDomain |
vialyx
/ enum_matching.swift
Created
August 11, 2018 18:33
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| switch error { | |
| case .empty: | |
| print("Please provide email") | |
| case .noDomain: | |
| print("Add domain") | |
| case .invalid: | |
| print("Entered email looks like invaid") | |
| } | |
| if signupError == .invalid { |
vialyx
/ enum_iterable.swift
Created
August 11, 2018 18:37
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| enum EmailValidationError: CaseIterable { | |
| // TODO: - Cases | |
| case empty | |
| // TODO: - Cases can be declared on a single line | |
| case noDomain, invalid | |
| } | |
| print("All cases: \(EmailValidationError.allCases)") | |
| // TODO: - Just print all enum cases |
vialyx
/ enum_associated_values.swift
Created
August 11, 2018 18:42
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| enum EmailValidationError { | |
| // TODO: - Cases | |
| case empty | |
| // TODO: - Cases can be declared on a single line | |
| case noDomain(String) | |
| case invalid(String) | |
| } | |
| // TODO: - Create a new error | |
| var error = EmailValidationError.empty |
vialyx
/ enum_raw.swift
Last active
August 11, 2018 18:54
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| enum Weekday: Int { | |
| case sun | |
| case mon | |
| case tue | |
| case wed | |
| case thur | |
| case fri | |
| case sat | |
| var value: String { |
vialyx
/ enum_protocols.swift
Created
August 11, 2018 18:53
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| enum EmailValidationError: Error { | |
| // TODO: - Cases | |
| case empty | |
| // TODO: - Cases can be declared on a single line | |
| case noDomain(String) | |
| case invalid(String) | |
| } | |
| extension EmailValidationError: LocalizedError { | |
vialyx
/ date_init.swift
Created
September 11, 2018 15:45
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var date = Date(timeIntervalSince1970: 50 * 365 * 24 * 60 * 60) | |
| print("date: \(date)") | |
| // console: date: 2019-12-20 00:00:00 +0000 |
vialyx
/ date_operators.swift
Last active
September 17, 2018 16:21
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let now = Date() | |
| var future = now | |
| print("equal: \(now == future)") | |
| // equal: true | |
| future += 1 * 60 * 60 | |
| print("not equal: \(now == future)") | |
| // not equal: false | |
| future -= 2 * 60 * 60 | |
| print("now > future?: \(now > future)") |
vialyx
/ date_compare_time.swift
Created
September 17, 2018 16:23
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| extension Date { | |
| func compareTime(with date: Date) -> ComparisonResult { | |
| var components = DateComponents() | |
| components.hour = calendar.component(.hour, from: self) | |
| components.minute = calendar.component(.minute, from: self) | |
| var withComponents = DateComponents() | |
| withComponents.hour = calendar.component(.hour, from: date) | |
| withComponents.minute = calendar.component(.minute, from: date) |
vialyx
/ date_interval_intersection.swift
Created
September 17, 2018 16:35
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| let startOfDay = Calendar.current.startOfDay(for: Date()) | |
| let endOfDay = startOfDay + 8 * 60 * 60 | |
| let dateInterval = DateInterval(start: startOfDay, end: endOfDay) | |
| let startLunch = startOfDay + 4 * 60 * 60 | |
| let lunchInterval = DateInterval(start: startLunch, duration: 60 * 60) | |
| print("intersection: \(String(describing: dateInterval.intersection(with: lunchInterval)))") | |
| // intersection: Optional(2018-09-17 01:00:00 +0000 to 2018-09-17 02:00:00 +0000) | |
| print("intersects: \(dateInterval.intersects(lunchInterval))") |