Struct Bin2DecFn 

pub struct Bin2DecFn;

Converts a binary text value to decimal.

Supports up to 10 binary digits, including two’s-complement negative values.

Remarks

• Input is coerced to text and must contain only 0 and 1.
• 10-digit values starting with 1 are interpreted as signed two’s-complement numbers.
• Returns #NUM! for invalid characters or inputs longer than 10 digits.

Examples

title: "Convert an unsigned binary value"
formula: "=BIN2DEC(\"101010\")"
expected: 42

title: "Interpret signed 10-bit binary"
formula: "=BIN2DEC(\"1111111111\")"
expected: -1

related:
  - DEC2BIN
  - BIN2HEX
  - BIN2OCT
faq:
  - q: "How does `BIN2DEC` handle 10-bit values starting with `1`?"
    a: "They are interpreted as signed two's-complement values, so `1111111111` becomes `-1`."

Trait Implementations

impl Debug for Bin2DecFn

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

Formats the value using the given formatter.

impl Function for Bin2DecFn

[formualizer-docgen:schema:start] Name: BIN2DEC Type: Bin2DecFn Min args: 1 Max args: 1 Variadic: false Signature: BIN2DEC(arg1: any@scalar) Arg schema: arg1{kinds=any,required=true,shape=scalar,by_ref=false,coercion=None,max=None,repeating=None,default=false} Caps: PURE [formualizer-docgen:schema:end]

fn caps(&self) -> FnCaps

Capability flags for this function

fn name(&self) -> &'static str

fn min_args(&self) -> usize

fn arg_schema(&self) -> &'static [ArgSchema]

fn eval<'a, 'b, 'c>( &self, args: &'c [ArgumentHandle<'a, 'b>], _ctx: &dyn FunctionContext<'b>, ) -> Result<CalcValue<'b>, ExcelError>

The unified evaluation path.

fn namespace(&self) -> &'static str

fn variadic(&self) -> bool

fn volatile(&self) -> bool

fn aliases(&self) -> &'static [&'static str]

Optional list of additional alias names (case-insensitive) that should resolve to this function. Default: empty slice. Implementors can override to expose legacy names. Returned slice must have ’static lifetime (typically a static array reference).

fn function_salt(&self) -> u64

fn eval_reference<'a, 'b, 'c>( &self, _args: &'c [ArgumentHandle<'a, 'b>], _ctx: &dyn FunctionContext<'b>, ) -> Option<Result<ReferenceType, ExcelError>>

Optional reference result path. Only called by the interpreter/engine when the callsite expects a reference (e.g., range combinators, by-ref argument positions, or spill sources).

fn dispatch<'a, 'b, 'c>( &self, args: &'c [ArgumentHandle<'a, 'b>], ctx: &dyn FunctionContext<'b>, ) -> Result<CalcValue<'b>, ExcelError>

Dispatch to the unified evaluation path with automatic argument validation.