Reader (UnionConfig) | UnionConfig

UnionConfig

Reader Module

Namespace: UnionConfig
Assembly: UnionConfig.dll

Reading config vars from environment variables.

Functions and values

Function or value	Description
`read def` Full Usage: `read def` Parameters: def : `ConfigVarDef` Returns: `Result<ConfigValue option, string>`	Read a config var from environment, parse to typed value. Returns Result for composable error handling: - Required missing/empty → Error with message - Required invalid → Error with parse message - Optional missing/empty → Ok None - Optional invalid → Error with parse message - Valid → Ok (Some value) def : `ConfigVarDef` Returns: `Result<ConfigValue option, string>`
`readBool def` Full Usage: `readBool def` Parameters: def : `ConfigVarDef` Returns: `bool`	Read bool config var - fails if not set or invalid def : `ConfigVarDef` Returns: `bool`
`readBoolOrDefault def defaultValue` Full Usage: `readBoolOrDefault def defaultValue` Parameters: def : `ConfigVarDef` defaultValue : `bool` Returns: `bool`	Read bool with default (for optional vars or missing values) def : `ConfigVarDef` defaultValue : `bool` Returns: `bool`
`readInt def` Full Usage: `readInt def` Parameters: def : `ConfigVarDef` Returns: `int`	Read int config var - fails if not set or invalid def : `ConfigVarDef` Returns: `int`
`readIntOrDefault def defaultValue` Full Usage: `readIntOrDefault def defaultValue` Parameters: def : `ConfigVarDef` defaultValue : `int` Returns: `int`	Read int with default (for optional vars or missing values) def : `ConfigVarDef` defaultValue : `int` Returns: `int`
`readString def` Full Usage: `readString def` Parameters: def : `ConfigVarDef` Returns: `string`	Read string config var - returns empty string if not set def : `ConfigVarDef` Returns: `string`
`validateRequired defs` Full Usage: `validateRequired defs` Parameters: defs : `ConfigVarDef seq` Returns: `string list`	Validate all required vars are set and have valid values. Returns a list of error messages for any missing or invalid vars. defs : `ConfigVarDef seq` Returns: `string list`