Remove unused type ConflictingEvidenceError (#87)

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [[unpublished]](https://github.com/mlange-42/bbn/compare/v0.6.0...main)
+
+### Other
+
+* Removes unused type `ConflictingEvidenceError` (#87)
+
 ## [[v0.6.0]](https://github.com/mlange-42/bbn/compare/v0.5.0...v0.6.0)
 
 ### Features

network.go

@@ -2,7 +2,10 @@ package bbn
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"slices"
+	"strings"
 
 	"github.com/mlange-42/bbn/ve"
 )
@@ -102,6 +105,32 @@ func New(name string, info string, variables []Variable, factors []Factor) (*Net
 	return net, nil
 }
 
+// FromFile reads a [Network] from an YAML or XML file.
+func FromFile(path string) (*Network, []Variable, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, nil, err
+	}
+	ext := filepath.Ext(path)
+
+	switch strings.ToLower(ext) {
+	case ".yml":
+		n, err := FromYAML(data)
+		if err != nil {
+			return nil, nil, err
+		}
+		return n, n.variables, nil
+	case ".xml", ".bifxml":
+		n, err := FromBIFXML(data)
+		if err != nil {
+			return nil, nil, err
+		}
+		return n, n.variables, nil
+	default:
+		return nil, nil, fmt.Errorf("unsupported file format '%s'", ext)
+	}
+}
+
 // prepareVariables, called from the constructor.
 func (n *Network) prepareVariables() error {
 	varNames := map[string]*Variable{}