Swift ternary operator request space between ? character and the condition
| Originator: | jotel | ||
| Number: | rdar://17646656 | Date Originated: | 11-Jul-2014 10:55 PM |
| Status: | Closed/Behaves correctly | Resolved: | 15-Jul-2014 05:06 PM |
| Product: | Developer Tools | Product Version: | Version 6.0 (6A254o) |
| Classification: | Serious Bug | Reproducible: | Always |
Summary: The following expression is reported as error in Xcode Swift compilator let test = true?"true":"false" Steps to Reproduce: 1. Create any Swift file in Xcode project 2. Add the following line let a = true?"true":"false" 3. Compile Expected Results: Compilation success Actual Results: Compilation erros: test.swift:1:23: Consecutive statements on a line must be separated by ';' test.swift:1:17: Expressions are not allowed at the top level test.swift:1:23: Expected expression test.swift:1:12: Operand of postfix '?' should have optional type; type is 'Bool' Version: Version 6.0 (6A254o) Notes: Workaround add space before ? character i.e. let test = true ?"true":"false" Configuration: Attachments: 'test.swift' was successfully uploaded.
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Response from Apple Developer Relations
Engineering has determined that this issue behaves as intended based on the following:
Swift's operator-parsing rules intentionally require this spacing.