Trait Redactor 

pub trait Redactor {
    // Required method
    fn apply(&self, path: &str, current: &Value) -> Value;
}

Available on crate feature redaction only.

Trait for types that can be used to redact values.

This trait defines how a redactor transforms a value at a given path. Implementations receive both the concrete JSON Pointer path and the current value, allowing for path-aware or value-based transformations.

Implementations

• &str - Replace with a static string
• String - Replace with a string
• serde_json::Value - Replace with a JSON value
• Fn(&str, &Value) -> Value - Transform using a function

Examples

// Static replacement
.redact("/id", "stable-uuid")?

// Value-based transformation (ignore path)
.redact("$..notes", |_path, val| {
    if val.as_str().map(|s| s.len() > 50).unwrap_or(false) {
        serde_json::json!("[REDACTED]")
    } else {
        val.clone()
    }
})?

// Path-aware transformation
.redact("$.items[*].id", |path, _val| {
    let idx = path.split('/').nth(2).unwrap_or("0");
    serde_json::json!(format!("stable-id-{idx}"))
})?

Required Methods

fn apply(&self, path: &str, current: &Value) -> Value

Apply the redaction to a value at the given path.

Arguments

• path - The concrete JSON Pointer path (e.g., /items/0/id)
• current - The current value at that path

Returns

The new value to replace the current one.

Implementations on Foreign Types

impl Redactor for &str

fn apply(&self, _path: &str, _current: &Value) -> Value

impl Redactor for Value

fn apply(&self, _path: &str, _current: &Value) -> Value

impl Redactor for String

fn apply(&self, _path: &str, _current: &Value) -> Value

Implementors

impl<F> Redactor for F

where F: Fn(&str, &Value) -> Value,