hexser 0.4.7

Zero-boilerplate hexagonal architecture with graph-based introspection
Documentation 
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//! Source code location information for error tracking.
//!
//! Provides file, line, and column information for pinpointing
//! the exact origin of an error. Used throughout the error system
//! to enhance traceability and debugging.
//!
//! Revision History
//! - 2025-10-09T21:22:00Z @AI: Add Serde support for rich errors.
//! - 2025-10-06T02:00:00Z @AI: Fix merge conflict duplicates.
//! - 2025-10-06T00:00:00Z @AI: Initial SourceLocation struct for Phase 1.

/// Source code location for error tracking
#[derive(Debug, Clone, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct SourceLocation {
  /// Source file path
  pub file: String,
  /// Line number (1-based)
  pub line: u32,
  /// Column number (1-based)
  pub column: u32,
}

impl SourceLocation {
  /// Create new source location
  pub fn new(file: impl Into<String>, line: u32, column: u32) -> Self {
    Self {
      file: file.into(),
      line,
      column,
    }
  }
}

impl std::fmt::Display for SourceLocation {
  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
    write!(f, "{}:{}:{}", self.file, self.line, self.column)
  }
}

#[cfg(test)]
mod tests {
  use super::*;

  #[test]
  fn test_source_location_creation() {
    let loc = SourceLocation::new("test.rs", 42, 13);
    assert_eq!(loc.file, "test.rs");
    assert_eq!(loc.line, 42);
    assert_eq!(loc.column, 13);
  }

  #[test]
  fn test_source_location_display() {
    let loc = SourceLocation::new("src/main.rs", 100, 5);
    assert_eq!(format!("{}", loc), "src/main.rs:100:5");
  }
}