Enum CliExitCode 

#[repr(i32)]
pub enum CliExitCode {
    Success = 0,
    InvalidCliArgs = 2,
    SchemaError = 3,
    DataDirError = 4,
    QueryExecutionError = 5,
    WriteError = 6,
}

CLI exit codes as specified in M2_CLI_SPEC.md line 340

Exit codes:

• 0: success
• 2: invalid CLI args
• 3: schema errors
• 4: data-dir/discovery errors
• 5: query execution errors
• 6: write operation errors (Issue #392)

Variants

Success = 0

Successful execution

InvalidCliArgs = 2

Invalid CLI arguments or flags

SchemaError = 3

Schema parsing or loading errors

DataDirError = 4

Data directory or discovery errors

QueryExecutionError = 5

Query execution errors

WriteError = 6

Write operation errors (Issue #392)

Implementations

impl CliExitCode

pub fn as_i32(self) -> i32

Convert exit code to i32 for process::exit

pub fn hint(&self) -> &'static str

Get helpful hint for this error category per M2_CLI_SPEC.md

These hints follow the spec’s guidance to provide concise, actionable next-step commands.

Trait Implementations

impl Clone for CliExitCode

fn clone(&self) -> CliExitCode

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for CliExitCode

impl Debug for CliExitCode

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for CliExitCode

impl PartialEq for CliExitCode

fn eq(&self, other: &CliExitCode) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for CliExitCode