year-day-boundary {clock}

Boundaries: year-day

Description

This is a year-day method for the calendar_start() and calendar_end() generics. They adjust components of a calendar to the start or end of a specified precision.

Usage

## S3 method for class 'clock_year_day'
calendar_start(x, precision)

## S3 method for class 'clock_year_day'
calendar_end(x, precision)

Arguments

x

⁠[clock_year_day]⁠

A year-day vector.

precision

⁠[character(1)]⁠

One of:

• "year"

• "day"

• "hour"

• "minute"

• "second"

• "millisecond"

• "microsecond"

• "nanosecond"

Value

x at the same precision, but with some components altered to be at the boundary value.

Examples

# Day precision
x <- year_day(2019:2020, 5)
x

# Compute the last day of the year
calendar_end(x, "year")