umx (version 4.20.0)

umx_array_shift: Like the php array_shift function: shifts an item off the beginning of a list

Description

Returns x[1]. Has the SIDE EFFECT of assigning x to x[2:end] in the container environment.

Usage

umx_array_shift(x)

Value

• first item of x

Arguments

x

the vector to shift

See Also

Other Miscellaneous Utility Functions: install.OpenMx(), libs(), qm(), umxLav2RAM(), umxModelNames(), umxRAM2Lav(), umxVersion(), umx_find_object(), umx_lower.tri(), umx_msg(), umx_open_CRAN_page(), umx_pad(), umx_print(), umx

Examples

x = c("Alice", "Bob", "Carol")
umx_array_shift(x) # returns "Alice"
x # now only 2 items (altered in containing environment)