fm_as_mesh_2d(x, ...)fm_as_mesh_2d_list(x, ...)
# S3 method for fm_mesh_2d
fm_as_mesh_2d(x, ...)
# S3 method for inla.mesh
fm_as_mesh_2d(x, ...)
# S3 method for fm_mesh_3d
fm_as_mesh_2d(x, ...)
# S3 method for sfg
fm_as_mesh_2d(x, ...)
# S3 method for sfc_MULTIPOLYGON
fm_as_mesh_2d(x, ...)
# S3 method for sfc_POLYGON
fm_as_mesh_2d(x, ...)
# S3 method for sf
fm_as_mesh_2d(x, ...)