| ! cue vet schema.cue data.yaml | |
| cmp stderr expect-stderr | |
| -- frontmatter.toml -- | |
| title = "Validation" | |
| description = "" | |
| -- text.md -- | |
| Constraints can be used to validate values of concrete instances. | |
| They can be applied to CUE data, or directly to YAML or JSON. | |
| -- schema.cue -- | |
| Language :: { | |
| tag: string | |
| name: =~"^\\p{Lu}" // Must start with an uppercase letter. | |
| } | |
| languages: [...Language] | |
| -- data.yaml -- | |
| languages: | |
| - tag: en | |
| name: English | |
| - tag: nl | |
| name: dutch | |
| - tag: no | |
| name: Norwegian | |
| -- expect-stderr -- | |
| languages.2.tag: conflicting values string and false (mismatched types string and bool): | |
| ./data.yaml:6:11 | |
| ./schema.cue:2:8 | |
| languages.1.name: invalid value "dutch" (does not match =~"^\\p{Lu}"): | |
| ./schema.cue:3:8 | |
| ./data.yaml:5:12 |